Home · FSC 5331 O-Ring · NSN 5331-01-445-3101
NSN 5331-01-445-3101 — O-Ring
NIIN 01-445-3101 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS
NSN 5331-01-445-3101 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 6 manufacturer part numbers from 7 CAGE codes, including Sae International, Society Of Automotive Engineers Inc, Leonardo S.P.A. - Electronics Division - Defence Business Area; the primary is 127608429. The unit of issue is EA and the FLIS list price is $0.66.
The U.S. government has bought this item 16 times on record, 3 of them in the last 24 months, most recently on March 4, 2026 at $0.38 each from Dbr Industries, Inc.. The median unit price paid over 36 months is $0.47. 1 solicitation is open right now, the soonest due October 5, 2026 for 1,087 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.
6
part numbers from 7 CAGEs
1
open solicitation, all agencies
3
government buys in 24 months · median $0.47
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 |
|---|---|---|---|---|
| MS28775-132 | 0U583 | Sae International | 3 · Design control (vendor) | 2 · Fully interchangeable |
| MS28775-132 | 81343 | Society Of Automotive Engineers Inc | 3 · Design control (vendor) | 9 · Reference only |
| SAE-AS28775 | 0U583 | Sae International | 3 · Design control (vendor) | 1 · Not fully interchangeable |
| 127608429 | A0199 | Leonardo S.P.A. - Electronics Division - Defence Business Area | 5 · Secondary reference | 2 · Fully interchangeable |
| 230079062 | A0199 | Leonardo S.P.A. - Electronics Division - Defence Business Area | 5 · Secondary reference | 2 · Fully interchangeable |
| MS28775-132 | 77308 | Parco, LLC | 5 · Secondary reference | 2 · Fully interchangeable |
| MS28775-132 | 96906 | Military Standards Promulgated By Military Departments Under Authority Of Defense Standardization Manual 4120 3-M | 5 · Secondary reference | 9 · Reference only |
| 5331PL1792110 | 9009H | Jednolity Indeks Materialowy - Uniform Material Index | 6 | 9 · Reference only |
| 7-755-132000 | D9182 | Zf Industrieantriebe Witten Gmbh | C | 1 · Not fully interchangeable |
Government demand
Open DLA RFQs (DIBBS)
- SPE7M426T440H · 1,087 EA · due Oct 5, 2026 · N · AMSC T · DIBBS
What the government paid
| Date | Vendor | Qty | Unit cost | Amount | Buyer | Reference |
|---|---|---|---|---|---|---|
| Mar 4, 2026 | Dbr Industries, Inc. 1K697 | 2,585 | $0.38 | Dla | SPE7M226V2198 | |
| Sep 23, 2025 | Dbr Industries, Inc. 1K697 | 1,064 | $0.65 | Dla | SPE7M425V5757 | |
| Nov 29, 2024 | Dbr Industries, Inc. 1K697 | 1,064 | $0.47 | Dla | SPE7M425V0746 | |
| Apr 13, 2023 | Boeing Distribution Services, Inc. 2V484 | 1,500 | $0.50 | Dla | SPE7M423V2758 | |
| Dec 20, 2022 | Boeing Distribution Services, Inc. 2V484 | 1,500 | $0.50 | Dla | SPE7M123V2203 | |
| Feb 12, 2021 | Blade Industrial Products Inc 1JYT1 | 3,405 | $0.27 | Dla | SPE7L121V3127 | |
| Apr 10, 2018 | Boeing Distribution Services Defense LLC 3G1W3 | 4,290 | $0.26 | Dla | SPE5E318P0719 | |
| Nov 20, 2017 | Blade Industrial Products Inc 1JYT1 | 1,278 | $0.27 | Dla | SPE5E318P0115 | |
| Jun 6, 2013 | Parco, LLC 77308 | 9,700 | $0.13 | Dla | SPM5E813M6180 | |
| Nov 5, 2012 | Seals & Packings, LLC 0XK26 | 3,155 | $0.17 | Dla | SPM5E813M0961 | |
| Dec 28, 2011 | Parco, LLC 77308 | 2,418 | $0.17 | Dla | SPM5M112V0963 | |
| Jul 28, 2010 | Seals & Packings, LLC 0XK26 | 2,039 | $0.17 | Dla | SPM5L110V1973 | |
| Jan 24, 2009 | Parco, LLC 77308 | 4,580 | $0.14 | Dla | SPM5M109V0605 | |
| Aug 13, 2007 | Dbr Industries, Inc. 1K697 | 3,756 | $0.15 | Dla | SPM5M207M3086 | |
| Feb 23, 2007 | Dbr Industries, Inc. 1K697 | 589 | $0.21 | Dla | SPM5M207M1144 | |
| Jun 17, 1998 | Goldinger, Bernard Dba Conair Aviation Associates 2K255 | 1,310 | $0.23 | Dla | SP056098MKZ82 |
Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 16 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 127608429.
Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.
DLA management data
- FLIS unit price
- $0.66
- Unit of issue
- EA
- Acquisition advice
- D — Stocked, centrally managed (DLA)
- Source of supply
- SMS
- Shelf life code
- Y
- Effective
- Oct 1, 2025
Item characteristics
- Cross-Sectional Height
- INCHES MINIMUM 0.100 AND INCHES MAXIMUM 0.106
- Center Hole Diameter
- INCHES MINIMUM 1.727 AND INCHES MAXIMUM 1.747
- Material
- RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
Related stock numbers
Other NSNs filed under the same part numbers.
- 00-003-6690 · O-Ring
- 00-046-4601 · O-Ring
- 00-055-4976 · O-Ring
- 00-057-2028 · O-Ring
- 00-057-2029 · O-Ring
- 00-063-0919 · O-Ring
- 00-068-9528 · O-Ring
- 00-079-6496 · O-Ring
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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