PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4002-21Stud Assembly,turnlock Fastener

Howmet Global Fastening Systems Inc Div Camloc Products · NSN 5325-00-298-7017 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-298-7017 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-298-7017. Primary manufacturer part number: 4002-21.
Features
  • Stud Assembly,turnlock Fastener — FSC 5325
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
  • Eyelet Length: 0.257 INCHES NOMINAL IN
  • Diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
  • Material: STEEL COMP 4037 STUD
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
  • Material: STEEL PIN
Applications
  • Applications requiring Steel Comp 4037 Stud construction
General Description

The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-298-7017, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5325-00-298-7017
Primary Part Number4002-21
Item NameStud Assembly,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc Div Camloc Products
StatusCANCELLED
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
Eyelet Length0.257 INCHES NOMINAL IN
Diameter0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
MaterialSTEEL COMP 4037 STUD
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE PIN
MaterialSTEEL PIN
MaterialSTEEL COMP 1009 OR STEEL COMP 1050 OR STEEL COMP 1112 EYELET
MaterialSTEEL EJECTOR SPRING
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Material Accommodated Thickness0.651 INCHES MINIMUM AND 0.680 INCHES MAXIMUM IN
Drive TypeSLOTTED
Stud Assembly StyleSTUD ASSEMBLY
Eyelet Outside Diameter0.341 INCHES MINIMUM AND 0.348 INCHES MAXIMUM IN
Distance From Engaging Member to Largest Bearing Surface of Head1.023 INCHES MINIMUM AND 1.033 INCHES MAXIMUM IN
Turnlock Stud Head StyleFLAT COUNTERSUNK
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5815-01-016-2673400221 INTERCHANGEABLE
Teletypewriter Subassembly
Alnitak Corporation
4730-01-039-1222H859-3-4SS INTERCHANGEABLE
Adapter,straight,tube to Boss
Admiral Valve Llc Dba Cpv Manufacturing
3655-01-090-4415 INTERCHANGEABLE
Flange
4220-01-241-4905 INTERCHANGEABLE
Hose Connector-Exhale
5340-01-394-244940022-1 INTERCHANGEABLE
Bracket,angle
Morpac Industries, Inc Div Actuator
Cross-Reference Index
Part NumberManufacturer
4002-21 PRIMARY Howmet Global Fastening Systems Inc Div Camloc Products (USA)
1142000-21 Monadnock Company, the Dba Lisi Aerospace (USA)
Related Parts
5815-01-016-2673INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
400221
4730-01-039-1222INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
H859-3-4SS
3655-01-090-4415INTERCHANGEABLE
FLANGE
4220-01-241-4905INTERCHANGEABLE
HOSE CONNECTOR-EXHALE
5340-01-394-2449INTERCHANGEABLE
BRACKET,ANGLE
40022-1

Frequently Asked Questions

What is NSN 5325-00-298-7017?

NSN 5325-00-298-7017 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 5325-00-298-7017?

NSN 5325-00-298-7017 has 2 cross-referenced part numbers: 4002-21 (Howmet Global Fastening Systems Inc Div Camloc Products), 1142000-21 (Monadnock Company, the Dba Lisi Aerospace).

What NSN replaces 5325-00-298-7017?

There are 5 known substitutes for 5325-00-298-7017: 5815-01-016-2673, 4730-01-039-1222, 3655-01-090-4415 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4002-21?

Key specifications for 4002-21: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL; Eyelet Length: 0.257 INCHES NOMINAL IN; Diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5325-00-298-7017 still in active supply?

NSN 5325-00-298-7017 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.
PartsTable Design LLC · partstable.com