Home · FSC 4310 Compressors And Vacuum Pumps · NSN 4310-01-189-3218

NSN 4310-01-189-3218 — Ring,Piston

NIIN 01-189-3218 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 4310-01-189-3218 is the national stock number for a ring,piston in federal supply class 4310 (Compressors And Vacuum Pumps). It cross-references to 1 manufacturer part number from 1 CAGE code, including Eaton Aerospace LLC Dba Sterer Engineering Div Valve & Actuator; the primary is 81137-2. The unit of issue is EA and the FLIS list price is $255.73.

The U.S. government has bought this item 1 time on record, most recently on February 4, 1994 at $191.99 each from Wheeler Bros 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 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
81137-2	09790	Eaton Aerospace LLC Dba Sterer Engineering Div Valve & Actuator	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Feb 4, 1994. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Feb 4, 1994	Wheeler Bros Inc 2B144	2	$191.99		Dla	SP070094ABM500635

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 81137-2.

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

DLA management data

FLIS unit price: $255.73
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Material: OVERALL PLASTIC POLYTETRAFLUOROETHYLENE

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.