Home · NSN 01-037-8139
NSN 01-037-8139 — Bolt,Externally Relieved Body
NIIN 01-037-8139 · unit of issue EA · AAC Z (insurance item) · source of supply SMS
NSN 01-037-8139 is the national stock number for a bolt,externally relieved body. It cross-references to 2 manufacturer part numbers from 3 CAGE codes, including Northrop Grumman Support Services Corp, Northrop Grumman Systems Corporation, National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use; the primary is 121B504H01. The unit of issue is EA and the FLIS list price is $2.30.
No government purchase of this stock number is on our record yet. 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.
2
part numbers from 3 CAGEs
0
open solicitations, all agencies
0
government buys in 24 months
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 |
|---|---|---|---|---|
| 121B504H01 | 48306 | Northrop Grumman Support Services Corp | 3 · Design control (vendor) | 2 · Fully interchangeable |
| 121B504H01 | 97942 | Northrop Grumman Systems Corporation | 3 · Design control (vendor) | 9 · Reference only |
| MS35307-310 | 80205 | National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use | 5 · Secondary reference | 9 · Reference only |
Government demand
Nothing open right now. Watch this NSN and we will email you when it is solicited.
What the government paid
No government purchase on record for this NSN.
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices.
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 121B504H01.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $2.30
- Unit of issue
- EA
- Acquisition advice
- Z — Insurance item
- Source of supply
- SMS
- Effective
- Feb 1, 2026
Item characteristics
- Thread Class
- 2A
- Thread Direction
- RIGHT-HAND
- Thread Length
- INCHES NOMINAL 0.440
- Fastener Length
- INCHES NOMINAL 1.250
- Head Height
- INCHES MINIMUM 0.150 AND INCHES MAXIMUM 0.163
- Width Between Flats
- INCHES MINIMUM 0.428 AND INCHES MAXIMUM 0.437
- First Diameter From Head
- INCHES MINIMUM 0.167 AND INCHES MAXIMUM 0.173
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- INCHES NOMINAL 0.810
- Nominal Thread Diameter
- INCHES 0.250
- Thread Quantity Per Inch
- 20
- Externally Relieved Body Diameter Quantity
- 1
- Material
- OVERALL STEEL COMP 303SE
- Surface Treatment
- OVERALL PASSIVATE
- Thread Series Designator
- UNIFIED NATIONAL COARSE (UNC)
Related stock numbers
Other NSNs filed under the same part numbers.
- 00-021-3668 · Screw,Cap,Hexagon Head
- 01-295-3023 · Bolt,Machine
- 01-448-3468 · Screw,Cap,Hexagon Head
- 01-616-9429 · Bolt,Machine
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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