Home · FSC 5310 Nuts And Washers · NSN 5310-01-666-5540

NSN 5310-01-666-5540 — Nut,Self-Locking,Plate

NIIN 01-666-5540 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 5310-01-666-5540 is the national stock number for a nut,self-locking,plate in federal supply class 5310 (Nuts And Washers). It cross-references to 4 manufacturer part numbers from 5 CAGE codes, including Esna, LLC, Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems, The Boeing Company; the primary is 102F9201-5. The unit of issue is EA and the FLIS list price is $9.96.

The U.S. government has bought this item 1 time on record, 1 of them in the last 24 months, most recently on September 22, 2026 for $3,685 from Century Fasteners Corp. 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 numbers from 5 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
102F9201-5	019L2	Esna, LLC	3 · Design control (vendor)	2 · Fully interchangeable
BACN10JR5CFD	52828	Republic Fastener Mfg. Corp. Dba Arconic Fastening Systems	3 · Design control (vendor)	2 · Fully interchangeable
BACN10JR5CFD	81205	The Boeing Company	3 · Design control (vendor)	2 · Fully interchangeable
K51602-5BAC	15653	Howmet Global Fastening Systems Inc	3 · Design control (vendor)	2 · Fully interchangeable
NS202476-054	80539	Sps Technologies, LLC Dba Aerospace Fasteners Group Div Aerospace - Santa Ana	3 · Design control (vendor)	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 22, 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
Sep 22, 2026	Century Fasteners Corp 8R639			$3,685	Dla	SPE4A626P0Z39 » Award/Basic Package View

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 102F9201-5.

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

DLA management data

FLIS unit price: $9.96
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Thread Class: 3B
Thread Direction: RIGHT-HAND
Locking Feature: PREVAILING TORQUE ALL METAL DESIGN
Mounting Hole Diameter: INCHES NOMINAL 0.130
Nut Length: INCHES MAXIMUM 1.292
Nut Height: INCHES MAXIMUM 0.328
Plate Thickness: INCHES MAXIMUM 0.045
Plate Width: INCHES MAXIMUM 0.609
Distance From Mounting Hole Center To Base: INCHES NOMINAL 0.146
Center To Center Distance Between Mounting Holes Along Length: INCHES MINIMUM 0.998 AND INCHES MAXIMUM 1.002
Temp Rating: FAHRENHEIT MAXIMUM 450.0
Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF)
Thread Quantity Per Inch: 24
Nominal Thread Size: INCHES 0.3125
Part Name Assigned By Controlling Agency: NUT, PLATE, SELF-LOCKING
Special Features: HAS SOLID FILM LUBRICANT
Material: OVERALL STEEL CORROSION RESISTING
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5525
Proprietary Characteristics: PACS
Surface Treatment: OVERALL CADMIUM
Surface Treatment Document And Classification: OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416

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.