Home · FSC 5331 O-Ring · NSN 5331-01-287-4833

NSN 5331-01-287-4833 — O-Ring

NIIN 01-287-4833 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5331-01-287-4833 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 4 manufacturer part numbers from 2 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Naval Inventory Control Point Mechanicsburg; the primary is NAS1611-120. The unit of issue is EA and the FLIS list price is $21.97.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 10, 2026 for $746 from Dbr Industries, Inc.. 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.

part numbers from 2 CAGEs

open solicitations, all agencies

government buy in 24 months

sellers with confirmed stock

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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
NAS1611-120A	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	1 · Not fully interchangeable
NAS1611-120	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	5 · Secondary reference	9 · Reference only
NAS1611-120ACP	03950	Naval Inventory Control Point Mechanicsburg	5 · Secondary reference	2 · Fully interchangeable
NAS1611-120CP	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	5 · Secondary reference	9 · Reference only
NAS1611-120CP	03950	Naval Inventory Control Point Mechanicsburg	5 · Secondary reference	9 · Reference only

Government demand

Nothing open right now. Last government buy Sep 10, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 10, 2026	Dbr Industries, Inc. 1K697			$746	Dla	SPE7L126P9C52 » Award/Basic Package View

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 1 buy 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 NAS1611-120.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $21.97
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

Temp Rating: FAHRENHEIT -65.0 AND FAHRENHEIT 160.0
Cross-Sectional Height: INCHES MINIMUM 0.100 AND INCHES MAXIMUM 0.106
Center Hole Diameter: INCHES MINIMUM 0.981 AND INCHES MAXIMUM 0.993
Hardness Rating: SHORE DUROMETER A NOMINAL 60.0
Criticality Code Justification: ZZZY
Material: RUBBER CHLOROPRENE CLASS CR
Material Document And Classification: MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-15624
Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D

Related stock numbers

Other NSNs filed under the same part numbers.

01-087-8406 · O-Ring
01-618-9939 · 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.