Home · FSC 5310 Nuts And Washers · NSN 5310-01-251-6374

NSN 5310-01-251-6374 — Washer,Shouldered And Recessed

NIIN 01-251-6374 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

Buying rhythm

from 9 government buys since 2017

The government has bought this item about every 7 months (irregular, gaps vary ±135%). Last buy Jun 18, 2026. The gaps are too uneven to put a window on the next one.

How well this works: for irregular items, "next buy about one typical gap after the last, give or take 152 days" caught the actual next buy 31% of the time across 21,749 past buys, against 24% for a fixed "one year later" guess. A rhythm, not a schedule: DLA buys when stock and demand say so. Every item due for a buy now.

NSN 5310-01-251-6374 is the national stock number for a washer,shouldered and recessed in federal supply class 5310 (Nuts And Washers). It cross-references to 1 manufacturer part number from 2 CAGE codes, including The Boeing Company, Mcdonnell Douglas Helicopter Co Inc; the primary is 7-311512112-5. The unit of issue is EA and the FLIS list price is $30.62.

The U.S. government has bought this item 16 times on record, 5 of them in the last 24 months, most recently on June 18, 2026 at $190.45 each from Echelon Supply And Service, Inc.. The median unit price paid over 36 months is $26.82. 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.

1

part number from 2 CAGEs

0

open solicitations, all agencies

5

government buys in 24 months · median $26.82

0

sellers with confirmed stock

Watch NSN 5310-01-251-6374: 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
7-311512112-58V613The Boeing Company3 · Design control (vendor)2 · Fully interchangeable
7-311512112-502731Mcdonnell Douglas Helicopter Co Inc5 · Secondary reference9 · Reference only

Government demand

Nothing open right now. Last government buy Jun 18, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

DateVendorQtyUnit costAmountBuyerReference
Jun 18, 2026Echelon Supply And Service, Inc. 6112525$190.45DlaSPE4A626PT788
Mar 19, 2026Noble Supply & Logistics, LLC 1HEN927$26.82DlaSPE4A526FALGZ
Feb 19, 2026Noble Supply & Logistics, LLC 1HEN990$26.82DlaSPE4A526FAWT5
Jul 8, 2025Echelon Supply And Service, Inc. 6112580$101.85DlaSPE4A625PAB77
Jan 1, 2025Noble Supply & Logistics, LLC 1HEN9151$22.37DlaSPE4A525FA60R
Dec 17, 2023Noble Supply & Logistics, LLC 1HEN9178$19.76DlaSPE4A624FAUG5
Oct 13, 2023Noble Supply & Logistics, LLC 1HEN953$19.76DlaSPE4A624FA2PC
Sep 23, 2018Aero-Glen International LLC 9V172446$10.57DlaSPE5EY18F429J
May 2, 2017Freehold Manufacturing Assembly Company, Inc. 2S308267$9.35DlaSPE5E817V5574
May 4, 2010Howie Manufacturing Co Inc 9V802142$12.88DlaSPM5AZ06D02620043
Apr 8, 2010Howie Manufacturing Co Inc 9V80222$12.88DlaSPM5AZ06D02620036
Oct 4, 2007Howie Manufacturing Co Inc 9V8021,865$11.50DlaSPM5AZ06D02620004
Nov 27, 2006Howie Manufacturing Co Inc 9V802238$11.50DlaSPM5AZ06D02620001
Aug 2, 2006Hunter Machine Inc. 42JP8314$3.45DlaSPM5A806M1114
Dec 9, 2005Krobach Mfg. Corp. 30828218$5.70DlaSPM5A806M0608
Nov 18, 1997Kampi Components Co Inc 7Z016100$8.36DlaSP054098M5091

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 16 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 7-311512112-5.

Request 7-311512112-5

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
$30.62
Unit of issue
EA
Acquisition advice
Z — Insurance item
Source of supply
SMS
Effective
Oct 1, 2025

Item characteristics

Hole Diameter
INCHES MINIMUM 0.263 AND INCHES MAXIMUM 0.268
Shoulder Diameter
INCHES MINIMUM 0.372 AND INCHES MAXIMUM 0.374
Outside Diameter
INCHES MINIMUM 0.619 AND INCHES MAXIMUM 0.624
Shoulder Height
INCHES MINIMUM 0.047 AND INCHES MAXIMUM 0.053
Material Thickness
INCHES MINIMUM 0.048 AND INCHES MAXIMUM 0.052
Material
OVERALL COPPER ALLOY 642
Material Document And Classification
OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-C-465

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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