Home · FSC 5331 O-Ring · NSN 5331-01-655-5031

NSN 5331-01-655-5031 — O-Ring

NIIN 01-655-5031 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5331-01-655-5031 is the national stock number for an o-ring in federal supply class 5331 (O-Ring). It cross-references to 1 manufacturer part number from 1 CAGE code, including Allison Transmission Inc; the primary is 29554405. The unit of issue is EA and the FLIS list price is $3.25.

The U.S. government has bought this item 1 time on record, most recently on August 28, 2023 at $2.33 each from Johnson & Towers LLC. 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 number 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
29554405	73342	Allison Transmission Inc	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Aug 28, 2023. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Aug 28, 2023	Johnson & Towers LLC 2A860	12	$2.33		Dla	SPE7L123P9110

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 29554405.

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

DLA management data

FLIS unit price: $3.25
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Center Hole Diameter: MILLIMETERS NOMINAL 10.8
Part Name Assigned By Controlling Agency: O-RING, SOLENOID

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.