PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

121J-335-C3CStud,turnlock Fastener

Southco Inc · NSN 5325-00-282-8132 · FSC 5325 · No Item Name Available
Verified by PartsTable
NSN 5325-00-282-8132 — this item is cataloged by the U.S. Government under National Stock Number 5325-00-282-8132. Primary manufacturer part number: 121J-335-C3C.
Features
  • Stud,turnlock Fastener — FSC 5325
  • 16 verified cross-references
  • Primary manufacturer: Southco Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Stud,turnlock Fastener, cataloged under National Stock Number 5325-00-282-8132, is classified within Federal Supply Class 5325 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Southco Inc. This item has 16 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NameStud,turnlock Fastener
FSC / FSG5325 — No Item Name Available (FSG 53)
ManufacturersSouthco Inc (CAGE 72794); Mrl Inc (CAGE 02106); Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (CAGE 13499); Northrop Grumman Systems Corporation (CAGE 95542); Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (CAGE 94580)
Technical Specifications
ParameterValue
NSN5325-00-282-8132
Primary Part Number121J-335-C3C
Item NameStud,turnlock Fastener
FSC / FSG5325 / 53 — No Item Name Available
ManufacturerSouthco Inc
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
4920-00-015-433210134-3 INTERCHANGEABLE
Bowl,test Set,sediment
Elbitamerica, Inc.
5365-00-294-1378101343 INTERCHANGEABLE
Spacer,sleeve
Eaton Aerospace, Llc Dba Jackson South
5930-00-920-794810-1343 INTERCHANGEABLE
Switch
Eaton Corp Opns & Technical Center
3120-01-018-3866101343 INTERCHANGEABLE
Bearing,plain,spherical
Triumph Engine Control Systems Llc
5950-01-090-1618460249-01 INTERCHANGEABLE
Transformer,power
Bae Systems Controls Inc
5905-01-105-98167117380-1 INTERCHANGEABLE
Resistor Network,fixed,film
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5325-01-178-0122121J-335-Z3C INTERCHANGEABLE
Stud,turnlock Fastener
Southco Inc
5325-01-625-7378121J-335-C3C INTERCHANGEABLE
Stud,turnlock Fastener
Electro Soft, Inc. Dba Electro Soft Inc
Cross-Reference Index
Part NumberManufacturer
121J-335-C3C PRIMARY Southco Inc (USA)
221219 Mrl Inc (USA)
012-1004-004 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
3038-9026-7 Northrop Grumman Systems Corporation (USA)
451044-4 Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis (USA)
206-9-204 Kearfott Corporation Div Guidance and Navigation Division (USA)
012-1004-000 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
10134-3 Drs Technologies Canada Ltd (CAN)
006704-10 Ge Aviation Systems Llc Dba Ge Aviation Systems Llc (USA)
12003578 Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA)
10134-3 Drs Technologies Canada Ltd (CAN)
80473-004 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
AJ3-35C Southco Inc (USA)
AJ3-35CBC Southco Inc (USA)
AJ3-35 Southco Inc (USA)
006704-10 Ge Aviation Systems Llc Dba Ge Aviation (USA)
Related Parts
4920-00-015-4332INTERCHANGEABLE
BOWL,TEST SET,SEDIMENT
10134-3
5365-00-294-1378INTERCHANGEABLE
SPACER,SLEEVE
101343
5930-00-920-7948INTERCHANGEABLE
SWITCH
10-1343
3120-01-018-3866INTERCHANGEABLE
BEARING,PLAIN,SPHERICAL
101343
5950-01-090-1618INTERCHANGEABLE
TRANSFORMER,POWER
460249-01
5905-01-105-9816INTERCHANGEABLE
RESISTOR NETWORK,FIXED,FILM
7117380-1
5325-01-178-0122INTERCHANGEABLE
STUD,TURNLOCK FASTENER
121J-335-Z3C
5325-01-625-7378INTERCHANGEABLE
STUD,TURNLOCK FASTENER
121J-335-C3C

Frequently Asked Questions

What is NSN 5325-00-282-8132?

NSN 5325-00-282-8132 is a Stud,turnlock Fastener, manufactured by Southco Inc, classified under FSC 5325 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5325-00-282-8132?

NSN 5325-00-282-8132 has 16 cross-referenced part numbers: 121J-335-C3C (Southco Inc), 221219 (Mrl Inc), 012-1004-004 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 3038-9026-7 (Northrop Grumman Systems Corporation), 451044-4 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis) and 11 more.

What NSN replaces 5325-00-282-8132?

There are 8 known substitutes for 5325-00-282-8132: 4920-00-015-4332, 5365-00-294-1378, 5930-00-920-7948 and 5 more. Verify interchangeability with system specifications before substitution.

Is NSN 5325-00-282-8132 still in active supply?

NSN 5325-00-282-8132 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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