PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4002-13Stud Assembly,turnlock Fastener

Howmet Global Fastening Systems Inc Div Camloc Products · NSN 5325-00-639-5054 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-639-5054 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-639-5054. Primary manufacturer part number: 4002-13.
Features
  • Stud Assembly,turnlock Fastener — FSC 5325
  • Material: STEEL COMP 4037 STUD
  • Material: STEEL COMP 1009 OR STEEL COMP 1050 OR STEEL COMP 1112 EYELET
  • Material: STEEL PIN
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
  • Surface Treatment Document and Classification: QQ-P-416,TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
Applications
  • Applications requiring Steel Comp 4037 Stud construction
General Description

The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-639-5054, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-639-5054
Primary Part Number4002-13
Item NameStud Assembly,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc Div Camloc Products
StatusCANCELLED
MaterialSTEEL COMP 4037 STUD
MaterialSTEEL COMP 1009 OR STEEL COMP 1050 OR STEEL COMP 1112 EYELET
MaterialSTEEL PIN
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
Surface Treatment Document and ClassificationQQ-P-416,TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
MaterialSTEEL EJECTOR SPRING
Diameter0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
Material Accommodated Thickness0.411 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
Turnlock Stud Head StyleFLAT COUNTERSUNK
Eyelet Length0.532 INCHES NOMINAL IN
Distance From Engaging Member to Largest Bearing Surface of Head0.783 INCHES MINIMUM AND 0.793 INCHES MAXIMUM IN
Drive TypeSLOTTED
Securing Device TypeSPRING
Stud Assembly StyleSTUD ASSEMBLY
Eyelet Outside Diameter0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5306-00-167-3686 INTERCHANGEABLE
Bolt,machine
5935-00-929-9519400213 INTERCHANGEABLE
Connector,plug,electrical
Aimtron Systems, Llc
3040-01-068-2139400213 INTERCHANGEABLE
Shaft,shouldered
Telemechanics Inc
5325-01-091-62001142005-13 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Monadnock Company, the Dba Lisi Aerospace
3120-01-191-2870400213 INTERCHANGEABLE
Bushing
Racine Tool and Machine Co Div of Burge Machine Inc
5310-01-526-316640021 3 INTERCHANGEABLE
Nut Blank
Brunswick Corp Dba Mercury Marine Div Mercury Marine
Cross-Reference Index
Part NumberManufacturer
BACS21X13R The Boeing Company (USA)
4002-13 Fairchild Fasteners Europe - Camloc Gmbh (DEU)
12861-899-45 The Boeing Company Div Legacy Boeing Hb1 (USA)
8168470 Us Army Aviation and Missile Command (USA)
1142000-13 Monadnock Company, the Dba Lisi Aerospace (USA)
CVC1462-13 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
4002-13 PRIMARY Howmet Global Fastening Systems Inc Div Camloc Products (USA)
4002-13 Fairchild Fasteners Uk Ltd (GBR)
418373-2 Naval Air Warfare Center Aircraft Division Joint Base Jbmdl (USA)
Related Parts
5306-00-167-3686INTERCHANGEABLE
BOLT,MACHINE
5935-00-929-9519INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
400213
3040-01-068-2139INTERCHANGEABLE
SHAFT,SHOULDERED
400213
5325-01-091-6200INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
1142005-13
3120-01-191-2870INTERCHANGEABLE
BUSHING
400213
5310-01-526-3166INTERCHANGEABLE
NUT BLANK
40021 3

Frequently Asked Questions

What is NSN 5325-00-639-5054?

NSN 5325-00-639-5054 is a Stud Assembly,turnlock Fastener, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-639-5054?

NSN 5325-00-639-5054 has 9 cross-referenced part numbers: BACS21X13R (The Boeing Company), 4002-13 (Fairchild Fasteners Europe - Camloc Gmbh), 12861-899-45 (The Boeing Company Div Legacy Boeing Hb1), 8168470 (Us Army Aviation and Missile Command), 1142000-13 (Monadnock Company, the Dba Lisi Aerospace) and 4 more.

What NSN replaces 5325-00-639-5054?

There are 6 known substitutes for 5325-00-639-5054: 5306-00-167-3686, 5935-00-929-9519, 3040-01-068-2139 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4002-13?

Key specifications for 4002-13: Material: STEEL COMP 4037 STUD; Material: STEEL COMP 1009 OR STEEL COMP 1050 OR STEEL COMP 1112 EYELET; Material: STEEL PIN; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-639-5054 still in active supply?

NSN 5325-00-639-5054 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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