Home · NSN 00-734-5641

NSN 00-734-5641 — Pin,Spring

NIIN 00-734-5641 · unit of issue EA · AAC D (stocked, centrally managed (dla)) · source of supply SMS

NSN 00-734-5641 is the national stock number for a pin,spring. It cross-references to 1 manufacturer part number from 2 CAGE codes, including National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use, Leonardo Spa Helicopters Division - Production Site; the primary is NAS561P4-20. The unit of issue is EA and the FLIS list price is $0.14.

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.

part number from 2 CAGEs

open solicitations, all agencies

government buys 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
NAS561P4-20	80205	National Aerospace Standards Committee Aerospace Industries Association Of America Inc Not For Rfq Or Solicitation Use	3 · Design control (vendor)	2 · Fully interchangeable
NAS561P4-20	A0126	Leonardo Spa Helicopters Division - Production Site	5 · Secondary reference	2 · 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 NAS561P4-20.

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

DLA management data

FLIS unit price: $0.14
Unit of issue: EA
Acquisition advice: D — Stocked, centrally managed (DLA)
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Overall Length: INCHES NOMINAL 1.250
Diameter: INCHES NOMINAL 0.125
Material Thickness: INCHES NOMINAL 0.028
Hardness Rating: OVERALL ROCKWELL A MINIMUM 73.6 AND ROCKWELL A MAXIMUM 78.0
Special Features: FLEET BALLISTIC MISSILE QUALITY AS IDENTIFIED BY QUALITY CONTROL NO. POSO 912251
Material: OVERALL STEEL
Material Document And Classification: OVERALL FED STD SINGLE MATERIAL RESPONSE 66,CO- 1070 THRU 1095
Surface Treatment: OVERALL CADMIUM AND CHROMATE
Departure From Cited Designator: AS MODIFIED BY SPECIAL FEATURES

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.