Home · FSC 5310 Nuts And Washers · NSN 5310-01-550-9548

NSN 5310-01-550-9548 — Washer,Flat

NIIN 01-550-9548 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 5310-01-550-9548 is the national stock number for a washer,flat in federal supply class 5310 (Nuts And Washers). It cross-references to 2 manufacturer part numbers from 1 CAGE code, including Carver Pump Company; the primary is 028-4200101-320. The unit of issue is EA and the FLIS list price is $370.30.

The U.S. government has bought this item 2 times on record, most recently on March 22, 2023 at $278.00 each from All-Safe 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 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
028-4200101-320	10941	Carver Pump Company	3 · Design control (vendor)	2 · Fully interchangeable
999-4213-E-16 ITEM 28	10941	Carver Pump Company	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Mar 22, 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
Mar 22, 2023	All-Safe Inc 2X264	1	$278.00		Dla	SPE4A023P1003
Jan 12, 2022	All-Safe Inc 2X264	1	$260.00		Dla	SPE4A622P9221

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 2 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 028-4200101-320.

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

DLA management data

FLIS unit price: $370.30
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Hole Diameter: INCHES NOMINAL 0.563
Overall Diameter: INCHES NOMINAL 2.000
End Item Identification: S/W COOLING PROP PUMP 999-4213-E-16
Part Name Assigned By Controlling Agency: MFR: IMPELLER WASHER
Material: OVERALL NICKEL ALLOY

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.