Home · FSC 5310 Nuts And Washers · NSN 5310-01-493-2887

NSN 5310-01-493-2887 — Washer,Flat

NIIN 01-493-2887 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5310-01-493-2887 is the national stock number for a washer,flat in federal supply class 5310 (Nuts And Washers). It cross-references to 1 manufacturer part number from 2 CAGE codes, including Star Stainless Screw Co, Mcmaster-Carr Supply Co; the primary is 93475A210. The unit of issue is EA and the FLIS list price is $0.06.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on August 25, 2026 for $208 from Cavanaugh Government Group, 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 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
93475A210	97852	Star Stainless Screw Co	3 · Design control (vendor)	2 · Fully interchangeable
93475A210	39428	Mcmaster-Carr Supply Co	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Aug 25, 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
Aug 25, 2026	Cavanaugh Government Group, LLC 5UY76			$208	Dla	SPE4A626V328X

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 93475A210.

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

DLA management data

FLIS unit price: $0.06
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Hole Diameter: MILLIMETERS NOMINAL 3.2
Thickness: MILLIMETERS MINIMUM 0.45 AND MILLIMETERS MAXIMUM 0.55
Overall Diameter: MILLIMETERS NOMINAL 7.0
End Item Identification: RD-681A/UNH
Hardness Rating: ROCKWELL B NOMINAL 70.0
Material: OVERALL STEEL CORROSION RESISTING

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.