Home · NSN 01-691-4250

NSN 01-691-4250 — O-Ring

NIIN 01-691-4250 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-691-4250 is the national stock number for an o-ring. It cross-references to 3 manufacturer part numbers from 1 CAGE code, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use; the primary is NAS1611-380. The unit of issue is EA and the FLIS list price is $609.39.

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.

part numbers from 1 CAGE

open solicitations, all agencies

government buys 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
NAS1611-380A	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
NAS1613	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
NAS1611-380	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 NAS1611-380.

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

DLA management data

FLIS unit price: $609.39
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Outside Diameter: INCHES NOMINAL 11.895
Temp Rating: FAHRENHEIT -65.0 AND FAHRENHEIT 250.0
Cross-Sectional Height: INCHES MINIMUM 0.205 AND INCHES MAXIMUM 0.215
Center Hole Diameter: INCHES MINIMUM 11.445 AND INCHES MAXIMUM 11.505
Part Name Assigned By Controlling Agency: PACKING,ETHYLENE PROPYLENE,PREFORMED O-RING,PHOSPHATE ESTER RESISTANT(-65 DEG F TO 250/300 DEG F)
Special Features: MATERIAL IS TEMPERATURE RATED TO 300DEG F FOR SHORT TERM OR INTERMITTENT USE
Material: RUBBER ETHYLENE-PROPYLENE CLASS EPM
Material Document And Classification: NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE ETHYLENE ROYLENE COOLY-ER OR TEROLY-ER ER NAS1613
Specification/Standard Data: PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD 80205-NAS1611

Related stock numbers

Other NSNs filed under the same part numbers.

00-004-3228 · O-Ring
00-079-7561 · O-Ring
00-086-2459 · O-Ring
00-086-2460 · O-Ring
00-086-2461 · O-Ring
00-124-0422 · O-Ring
00-124-0424 · O-Ring
00-124-0427 · 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.