Home · FSC 5310 Nuts And Washers · NSN 5310-01-008-9345

NSN 5310-01-008-9345 — Nut,Self-Locking,Double Hexagon

NIIN 01-008-9345 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 5310-01-008-9345 is the national stock number for a nut,self-locking,double hexagon in federal supply class 5310 (Nuts And Washers). It cross-references to 4 manufacturer part numbers from 6 CAGE codes, including Sikorsky Aircraft Corporation, Sps Technologies, LLC, Leonardo Spa Helicopters Division - Production Site; the primary is 5310PL2210227. The unit of issue is EA and the FLIS list price is $5.28.

The U.S. government has bought this item 7 times on record, 2 of them in the last 24 months, most recently on May 28, 2026 at $5.88 each from Atf Aerospace, LLC. The median unit price paid over 36 months is $11.79. 2 solicitations are open right now, the soonest due September 29, 2026 for 20 EA. 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 6 CAGEs

2

open solicitations, all agencies

2

government buys in 24 months · median $11.79

0

sellers with confirmed stock

Watch NSN 5310-01-008-9345: 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
SS5086-0578286Sikorsky Aircraft Corporation3 · Design control (vendor)2 · Fully interchangeable
EWSN26-556878Sps Technologies, LLC5 · Secondary reference9 · Reference only
EWSN26-5A0126Leonardo Spa Helicopters Division - Production Site5 · Secondary reference2 · Fully interchangeable
EWSN26AG556878Sps Technologies, LLC5 · Secondary reference2 · Fully interchangeable
SS5086-0527238Bristol Industries, LLC5 · Secondary reference9 · Reference only
5310PL22102279009HJednolity Indeks Materialowy - Uniform Material Index69 · Reference only
SS5086-05D1081Airbus Deutschland Gmbh -Werk Bremen-8 · Manufacturer2 · Fully interchangeable

Government demand

Open DLA RFQs (DIBBS)

What the government paid

DateVendorQtyUnit costAmountBuyerReference
May 28, 2026Atf Aerospace, LLC 13W08976$5.88DlaSPE4A626PT072
Jan 22, 2026Atf Aerospace, LLC 13W08132$17.70DlaSPE4A626PD184
May 20, 2018Wesco Aircraft Hardware Corp. 1V7572,464$2.31DlaSPE5EY18F074X
Apr 8, 2018Wesco Aircraft Hardware Corp. 1V7571,417$2.31DlaSPE5EY18F8882
Apr 8, 2018Wesco Aircraft Hardware Corp. 1V757241$2.31DlaSPE5EY18F8881
Mar 4, 2018Wesco Aircraft Hardware Corp. 1V7571,624$2.31DlaSPE5EY18F7127
Mar 4, 2018Wesco Aircraft Hardware Corp. 1V757450$2.31DlaSPE5EY18F7126

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 7 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 5310PL2210227.

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

DLA management data

FLIS unit price
$5.28
Unit of issue
EA
Acquisition advice
D — Stocked, centrally managed (DLA)
Source of supply
SMS
Effective
May 1, 2026

Item characteristics

Thread Class
3B
Thread Direction
RIGHT-HAND
Locking Feature
FREE-RUNNING ALL METAL DESIGN
Nut Height
INCHES MAXIMUM 0.253
Width Across Flats
INCHES MINIMUM 0.493 AND INCHES MAXIMUM 0.502
Temp Rating
FAHRENHEIT NOMINAL 450.0
Thread Series
UNIFIED NATIONAL JOINT FINE (UNJF)
Thread Quantity Per Inch
24
Hardness Rating
ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 45.0
Nominal Thread Size
INCHES 0.313
Bearing Surface Type
CHAMFERED OR WASHER FACED
Material
OVERALL STEEL COMP 8740
Material Document And Classification
OVERALL MIL SPEC SINGLE MATERIAL RESPONSE -IL-S-6049
Surface Treatment
OVERALL CADMIUM
Surface Treatment Document And Classification
OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 2,CL 3

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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