PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BACS21X11SStud Assembly,turnlock Fastener

The Boeing Company Div Defense · NSN 5325-00-727-9945 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-727-9945 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-727-9945. Primary manufacturer part number: BACS21X11S.
Features
  • Stud Assembly,turnlock Fastener — FSC 5325
  • 7 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Stud Assembly,turnlock Fastener, cataloged under National Stock Number 5325-00-727-9945, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStud Assembly,turnlock Fastener
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersThe Boeing Company Div Defense (CAGE 81205); Cooper Industries Inc Crouse-Hinds Div Cam-Lok Molded Products (CAGE 06349); Howmet Global Fastening Systems Inc. Div Voi-Shan Products (CAGE 5M902); Fairchild Fasteners Europe - Camloc Gmbh (CAGE D0680); Monadnock Company, the Dba Lisi Aerospace (CAGE 60119)
Technical Specifications
ParameterValue
NSN5325-00-727-9945
Primary Part NumberBACS21X11S
Item NameStud Assembly,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5325-00-290-82314002-10 INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
5325-00-839-2277BACS21X10C INTERCHANGEABLE
Stud Assembly,turnlock Fastener
The Boeing Company Div Defense
5325-00-936-00894002-21W INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
5325-01-132-65854002-13SW INTERCHANGEABLE
Stud Assembly,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
Cross-Reference Index
Part NumberManufacturer
BACS21X11S PRIMARY The Boeing Company Div Defense (USA)
4002-11S Cooper Industries Inc Crouse-Hinds Div Cam-Lok Molded Products (USA)
4002-11S Howmet Global Fastening Systems Inc. Div Voi-Shan Products (USA)
4002-11S Fairchild Fasteners Europe - Camloc Gmbh (DEU)
BACS21X11S Monadnock Company, the Dba Lisi Aerospace (USA)
4002-11S Howmet Global Fastening Systems Inc Div Camloc Products (USA)
BACS21X The Boeing Company Div Defense (USA)
Related Parts
5325-00-290-8231INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
4002-10
5325-00-839-2277INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
BACS21X10C
5325-00-936-0089INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
4002-21W
5325-01-132-6585INTERCHANGEABLE
STUD ASSEMBLY,TURNLOCK FASTENER
4002-13SW

Frequently Asked Questions

What is NSN 5325-00-727-9945?

NSN 5325-00-727-9945 is a Stud Assembly,turnlock Fastener, manufactured by The Boeing Company Div Defense, classified under FSC 5325 (No Item Name Available). Status: active.

What are the part numbers for NSN 5325-00-727-9945?

NSN 5325-00-727-9945 has 7 cross-referenced part numbers: BACS21X11S (The Boeing Company Div Defense), 4002-11S (Cooper Industries Inc Crouse-Hinds Div Cam-Lok Molded Products), 4002-11S (Howmet Global Fastening Systems Inc. Div Voi-Shan Products), 4002-11S (Fairchild Fasteners Europe - Camloc Gmbh), BACS21X11S (Monadnock Company, the Dba Lisi Aerospace) and 2 more.

What NSN replaces 5325-00-727-9945?

There are 4 known substitutes for 5325-00-727-9945: 5325-00-290-8231, 5325-00-839-2277, 5325-00-936-0089 and 1 more. Verify interchangeability with system specifications before substitution.

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