Home · FSC 5310 Nuts And Washers · NSN 5310-01-548-5582

NSN 5310-01-548-5582 — Washer,Flat

NIIN 01-548-5582 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5310-01-548-5582 is the national stock number for a washer,flat in federal supply class 5310 (Nuts And Washers). It cross-references to 10 manufacturer part numbers from 3 CAGE codes, including Naval Sea Systems Command, Electric Boat Corporation, Naval Inventory Control Point Mechanicsburg; the primary is 2641-405-11 ITEM 33. The unit of issue is EA and the FLIS list price is $54.06.

The U.S. government has bought this item 2 times on record, 2 of them in the last 24 months, most recently on September 2, 2026 for $2,888 from A Wiley & Associates Inc. A DLA long-term contract solicitation (SPE4A726RXB42) names it, with an estimated annual demand of 40. 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.

10

part numbers from 3 CAGEs

0

open solicitations, all agencies

2

government buys in 24 months

0

sellers with confirmed stock

Watch NSN 5310-01-548-5582: 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
7550478-264140511-3353711Naval Sea Systems Command3 · Design control (vendor)1 · Not fully interchangeable
2641-405-11 ITEM 3396169Electric Boat Corporation5 · Secondary reference1 · Not fully interchangeable
2641-405-11 ITEM 33CP03950Naval Inventory Control Point Mechanicsburg5 · Secondary reference2 · Fully interchangeable
2641-809-40 ITEM 5696169Electric Boat Corporation5 · Secondary reference1 · Not fully interchangeable
2641-809-40 ITEM 56CP03950Naval Inventory Control Point Mechanicsburg5 · Secondary reference1 · Not fully interchangeable
264140511-3396169Electric Boat Corporation5 · Secondary reference2 · Fully interchangeable
264140511-33CP03950Naval Inventory Control Point Mechanicsburg5 · Secondary reference2 · Fully interchangeable
7550478-264140511-33CP03950Naval Inventory Control Point Mechanicsburg5 · Secondary reference1 · Not fully interchangeable
G547-0002-264140511-3396169Electric Boat Corporation5 · Secondary reference1 · Not fully interchangeable
G547-0002-264140511-33CP03950Naval Inventory Control Point Mechanicsburg5 · Secondary reference2 · Fully interchangeable

Government demand

Long-term contracts and larger buys (DLA RFP / IFB)

  • SPE4A726RXB42 · long-term contract, 5 yr · estimated annual demand 40 · closes Oct 2, 2026

When a stock number goes onto a long-term contract, the spot RFQs for it usually stop for the term; the holder then sources the parts. All open long-term contracts →

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Sep 2, 2026A Wiley & Associates Inc 4R2Y5$2,888DlaSPE4A626P0G94 » Award/Basic Package View
Aug 25, 2026A Wiley & Associates Inc 4R2Y5$3,169DlaSPE4A625P0ZW0

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 2641-405-11 ITEM 33.

Request 2641-405-11 ITEM 33

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
$54.06
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

End Item Identification
0.250 IPS 4500 PSI CRES SW BALL VALVE
Criticality Code Justification
ZZZY
Part Name Assigned By Controlling Agency
WASHER, THRUST
Material
OVERALL PLASTIC ACETAL
Proprietary Characteristics
PACS
Reference Number Differentiating Characteristics
CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D

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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