Home · FSC 5310 Nuts And Washers · NSN 5310-00-373-3035
NSN 5310-00-373-3035 — Nut,Self-Locking,Clinch
NIIN 00-373-3035 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS
NSN 5310-00-373-3035 is the national stock number for a nut,self-locking,clinch in federal supply class 5310 (Nuts And Washers). It cross-references to 7 manufacturer part numbers from 7 CAGE codes, including Rtx Corporation, Howmet Global Fastening Systems Inc, Sps Technologies, LLC; the primary is 4021866. The unit of issue is EA and the FLIS list price is $11.35.
The U.S. government has bought this item 19 times on record, 18 of them in the last 24 months, most recently on June 17, 2026 at $19.55 each from Noble Supply & Logistics, LLC. The median unit price paid over 36 months is $19.55. 2 solicitations are open right now, the soonest due October 2, 2026 for 2,346 EA. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.
7
part numbers from 7 CAGEs
2
open solicitations, all agencies
18
government buys in 24 months · median $19.55
0
sellers with confirmed stock
Cross-references
Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.
| Part number | CAGE | Manufacturer | Reference | Variation |
|---|---|---|---|---|
| 4023391 | 77445 | Rtx Corporation | 1 · Design control | 2 · Fully interchangeable |
| 4021907 | 15653 | Howmet Global Fastening Systems Inc | 3 · Design control (vendor) | 2 · Fully interchangeable |
| 4021866 | 77445 | Rtx Corporation | 5 · Secondary reference | 9 · Reference only |
| 4021905 | 56878 | Sps Technologies, LLC | 5 · Secondary reference | 2 · Fully interchangeable |
| 4021907 | 77445 | Rtx Corporation | 5 · Secondary reference | 9 · Reference only |
| 4818DF048-1 | 92215 | Howmet Global Fastening Systems Inc Div Torrance Operations | 5 · Secondary reference | 2 · Fully interchangeable |
| K49502-4 | 15633 | Watson Industries Inc | 5 · Secondary reference | 9 · Reference only |
| L11174-7-4 | 72962 | Harvard Industries Inc | 5 · Secondary reference | 9 · Reference only |
| 4021866 | 52661 | Rtx Corporation | C | 1 · Not fully interchangeable |
Government demand
Open DLA RFQs (DIBBS)
- SPE4A626T36WV · 2,346 EA · due Oct 2, 2026 · N · AMSC B · DIBBS
Open notices, other agencies (SAM.gov)
- Defense Logistics Agency · Dla Aviation · NUT,SELF-LOCKING,CLINC · due Oct 2, 2026 · Combined Synopsis/Solicitation
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Jun 17, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 80 | $19.55 | Dla | SPE4A526FB7H7 | |
| Jun 16, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 700 | $19.55 | Dla | SPE4A526FB7A8 | |
| Jun 15, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 200 | $19.55 | Dla | SPE4A526FB6X6 | |
| Jun 15, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 200 | $19.55 | Dla | SPE4A526FB6X5 | |
| Jun 15, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 200 | $19.55 | Dla | SPE4A526FB6X4 | |
| Jun 15, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 200 | $19.55 | Dla | SPE4A526FB6X3 | |
| Jun 11, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 10 | $19.55 | Dla | SPE4A526FB6R1 | |
| May 11, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 212 | $19.55 | Dla | SPE4A526FB56K | |
| Apr 2, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 100 | $19.55 | Dla | SPE4A526FARTX | |
| Mar 24, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 17 | $19.55 | Dla | SPE4A526FANMJ | |
| Mar 13, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 110 | $19.55 | Dla | SPE4A526FAHUR | |
| Feb 7, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 8 | $19.55 | Dla | SPE4A526FALQ2 | |
| Feb 7, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 14 | $19.55 | Dla | SPE4A526FALP9 | |
| Feb 2, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 39 | $19.55 | Dla | SPE4A526FZ015 | |
| Jan 22, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 15 | $19.55 | Dla | SPE4A526FAY1S | |
| Jan 22, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 20 | $19.55 | Dla | SPE4A526FAY1R | |
| Jan 22, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 3 | $19.55 | Dla | SPE4A526FAY1Q | |
| Jan 22, 2026 | Noble Supply & Logistics, LLC 1HEN9 | 6 | $19.55 | Dla | SPE4A526FAY1P | |
| Jun 20, 2017 | Wesco Aircraft Hardware Corp. 1V757 | 3,111 | $9.09 | Dla | SPE5E717P3707 |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 19 buys on record in total.
Sellers with confirmed stock
No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 4021866.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $11.35
- Unit of issue
- EA
- Acquisition advice
- J — Not stocked, central procurement
- Source of supply
- SMS
- Effective
- Jul 1, 2026
Item characteristics
- Thread Class
- 3B
- Thread Direction
- RIGHT-HAND
- Locking Feature
- PREVAILING TORQUE ALL METAL DESIGN
- Counterbore Diameter
- NUT INCHES MINIMUM 0.265 AND INCHES MAXIMUM 0.270
- Nut Counterbore Depth
- NUT INCHES MINIMUM 0.105 AND INCHES MAXIMUM 0.111
- End Item Identification
- W/S: WNGINE, AIRCRAFT, F100 PW220 (F-15C/D/E); AIRCRAFT, F-16; ENGINE, AIRCRAFT, F100-PW-100 (F-15A/B/C/D)
- Thread Series
- UNIFIED NATIONAL JOINT FINE (UNJF)
- Thread Quantity Per Inch
- 28
- Hardness Rating
- ROCKWELL C MINIMUM 24.0
- Nominal Thread Size
- INCHES 0.250
- Material
- OVERALL STEEL
- Material Document And Classification
- OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5735 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 5737
- Surface Treatment
- OVERALL SILVER
- Surface Treatment Document And Classification
- OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S 2411
Related stock numbers
Other NSNs filed under the same part numbers.
- 00-124-5289 · Nut,Self-Locking,Clinch
- 00-505-9586 · Nut,Self-Locking,Gang Channel
- 00-518-1256 · Lever,Manual Control
About this page
An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.
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