Home · NSN 01-556-6643

NSN 01-556-6643 — Washer,Flat

NIIN 01-556-6643 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 01-556-6643 is the national stock number for a washer,flat. It cross-references to 4 manufacturer part numbers from 4 CAGE codes, including Fastenal Company, Oshkosh Corp, Oshkosh Defense LLC; the primary is 12759-00581. The unit of issue is EA and the FLIS list price is $0.05.

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.

4

part numbers from 4 CAGEs

0

open solicitations, all agencies

0

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 01-556-6643: an email the morning the government solicits or buys it, or an AD names it. Free.
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Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part numberCAGEManufacturerReferenceVariation
402180Y3H3Fastenal Company3 · Design control (vendor)2 · Fully interchangeable
12KP18045152Oshkosh Corp5 · Secondary reference9 · Reference only
12KP18075Q65Oshkosh Defense LLC5 · Secondary reference2 · Fully interchangeable
5320000005-00338X5Nd Defense LLC5 · Secondary reference2 · Fully interchangeable
12759-005810Y3H3Fastenal CompanyC1 · Not fully interchangeable

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 12759-00581.

Request 12759-00581

No account needed. Goes to the sellers who carry this number or its family.

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

DLA management data

FLIS unit price
$0.05
Unit of issue
EA
Acquisition advice
J — Not stocked, central procurement
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Hole Diameter
MILLIMETERS MINIMUM 4.30 AND MILLIMETERS MAXIMUM 4.48
Thickness
MILLIMETERS NOMINAL 0.8
Overall Diameter
MILLIMETERS NOMINAL 9.0
End Item Identification
MRAP - UNIQUE NSN - MAXXPRO CAT I
Hardness Rating
VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM 140.0 AND VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM 250.0
Special Features
MATERIAL: LOW CARBON STEEL
Material
OVERALL STEEL

Related stock numbers

Other NSNs filed under the same part numbers.

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.

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