Home · NSN 01-128-5643

NSN 01-128-5643 — Spring,Helical,Torsion

NIIN 01-128-5643 · unit of issue EA · AAC Z (insurance item) · source of supply SMS

NSN 01-128-5643 is the national stock number for a spring,helical,torsion. It cross-references to 6 manufacturer part numbers from 6 CAGE codes, including Combat Capabilities Development Command (Ccdc) Armaments Center Dba Ccdc Div Logistics Research And Engineering Directorate, Thales Australia - Lithgow, Fn Herstal S.A.; the primary is 10421341. The unit of issue is EA and the FLIS list price is $0.73.

No government purchase of this stock number is on our record yet. No seller has confirmed stock of it here in the last 30 days; watching the number is free and the first listing triggers an alert.

part numbers from 6 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
9348233	19200	Combat Capabilities Development Command (Ccdc) Armaments Center Dba Ccdc Div Logistics Research And Engineering Directorate	3 · Design control (vendor)	2 · Fully interchangeable
22275	Z0003	Thales Australia - Lithgow	5 · Secondary reference	2 · Fully interchangeable
3612750018	B0897	Fn Herstal S.A.	5 · Secondary reference	2 · Fully interchangeable
711531507800	0000V	Ncb Hungary (Honvedsegi Egyseges Termekkod)	5 · Secondary reference	9 · Reference only
10421341	A486G	Nimikkeistokeskus Ncb Finland	6	9 · Reference only
5360PL1798687	9009H	Jednolity Indeks Materialowy - Uniform Material Index	6	9 · Reference only

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 10421341.

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

DLA management data

FLIS unit price: $0.73
Unit of issue: EA
Acquisition advice: Z — Insurance item
Source of supply: SMS
Effective: Oct 1, 2026

Item characteristics

Inside Diameter: MILLIMETERS NOMINAL 5.08
End Item Identification: MACHINE GUN,5.56-MM,M249
Spring Free Length: MILLIMETERS NOMINAL 9.25
Coil Quantity: 6
Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
Spring Free Outside Diameter: MILLIMETERS NOMINAL 5.08
End Angular Relationship: ENDS ANGLED ONE TO OTHER
End Length: BOTH ENDS MILLIMETERS NOMINAL 10.0
End Length From First Bend To Second Bend Or End: SECOND END MILLIMETERS NOMINAL 8.46
End Tangent Angle: DEGREES NOMINAL 8.0
Material: OVERALL STEEL UNS K08500
Material Document And Classification: OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-W-470

Related stock numbers

Other NSNs filed under the same part numbers.

00-018-8837 · Connector,Plug,Electrical
00-786-2831 · Insert,Hydraulic Ram Head
01-131-1862 · Ring,Retaining

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.