NSN 5307-00-678-3321 · NIIN 006783321 · Part number 7992674
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 5307 — Studs · FSG 53 — Hardware and Abrasives · CAGE 19207
Government record, cited
NSN 5307-00-678-3321 — this item is cataloged by the U.S. Government under National Stock Number 5307-00-678-3321. Manufacturer of record part number: 7992674.
Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Cotter Pin Hole Diameter: 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
Thread Length: 0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM NUT THREAD IN
Thread Length: 0.750 INCHES MINIMUM AND 0.880 INCHES MAXIMUM STUD THREAD IN
Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
Thread Pitch Diameters: +0.3475 TO 0.3491 INCHES STUD THREAD IN
Material Document and Classification: ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES
Identification
NSN: 5307-00-678-3321
NIIN: 006783321
FSC: 5307 — Studs
FSG: 53 — Hardware and Abrasives
Primary part number: 7992674
Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description
The Stud,plain, cataloged under National Stock Number 5307-00-678-3321, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5307-00-678-3321
Primary Part Number
7992674
Item Name
Stud,plain
FSC / FSG
5307 / 53 — Studs
Manufacturer
U S Army Tank Automotive Command Amsta-Im-Mm
Status
ACTIVE
Surface Treatment Document and Classification
QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Cotter Pin Hole Diameter
0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN
Thread Length
0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM NUT THREAD IN
Thread Length
0.750 INCHES MINIMUM AND 0.880 INCHES MAXIMUM STUD THREAD IN
Hardness Rating
28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
Thread Pitch Diameters
+0.3475 TO 0.3491 INCHES STUD THREAD IN
Material Document and Classification
ASTM A322 ASSN STD ALL MATERIAL RESPONSES OR ASTM A331 ASSN STD ALL MATERIAL RESPONSES
Thread Direction
RIGHT-HAND STUD THREAD
Thread Direction
RIGHT-HAND NUT THREAD
Nominal Thread Size
0.375 INCHES STUD THREAD IN
Nominal Thread Size
0.375 INCHES NUT THREAD IN
Surface Treatment
CADMIUM OVERALL
Thread Class
3A NUT THREAD A
Thread Quantity Per Inch
24 NUT THREAD
Thread Quantity Per Inch
16 STUD THREAD
Material
STEEL COMP 4140 OR STEEL COMP 8640 OR STEEL COMP 8740
Thread Series Designator
UNF NUT THREAD
Thread Series Designator
UNS STUD THREAD
Distance From Cotter Pin Hole Centerline to Nut End
0.110 INCHES NOMINAL FIRST HOLE IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items12
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5307-00-678-35257992658POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-00-678-68777084445POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-00-678-68847992689POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-00-678-68857992690POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-00-734-88137348813POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-00-774-46057744605POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-00-810-9236POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)
5307-00-866-67368666736POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-00-866-67378666737POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5307-01-144-88597348529POSSIBLE MATCH
STUD,PLAIN
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
Reference
Meaning
5307006783321
5/9Secondary reference
E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
7348529
D/9Drawing number reference only
U S Army Tank Automotive Command Amsta-Im-Mm
Related Parts
5307-00-678-3525POSSIBLE MATCH
STUD,PLAIN
7992658
5307-00-678-6877POSSIBLE MATCH
STUD,PLAIN
7084445
5307-00-678-6884POSSIBLE MATCH
STUD,PLAIN
7992689
5307-00-678-6885POSSIBLE MATCH
STUD,PLAIN
7992690
5307-00-734-8813POSSIBLE MATCH
STUD,PLAIN
7348813
5307-00-774-4605POSSIBLE MATCH
STUD,PLAIN
7744605
5307-00-810-9236POSSIBLE MATCH
STUD,PLAIN
5307-00-866-6736POSSIBLE MATCH
STUD,PLAIN
8666736
5307-00-866-6737POSSIBLE MATCH
STUD,PLAIN
8666737
5307-01-144-8859POSSIBLE MATCH
STUD,PLAIN
7348529
5307-01-171-0050POSSIBLE MATCH
STUD,PLAIN
8745438
5307-01-513-4204POSSIBLE MATCH
STUD,PLAIN
7392818
Frequently Asked Questions
What is NSN 5307-00-678-3321?
NSN 5307-00-678-3321 is a Stud,plain, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5307, Studs. Status: active.
What part numbers are listed for NSN 5307-00-678-3321?
NSN 5307-00-678-3321 has 1 manufacturer part number on file: 7992674 (U S Army Tank Automotive Command Amsta-Im-Mm).
What NSN replaces 5307-00-678-3321?
12 possible matches (shared part number, not a government interchangeability claim): 5307-00-678-3525, 5307-00-678-6877, 5307-00-678-6884. Verify interchangeability with system specifications before substitution.
What are the specifications of 7992674?
Key specifications for 7992674: Surface Treatment Document and Classification: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Cotter Pin Hole Diameter: 0.065 INCHES MINIMUM AND 0.072 INCHES MAXIMUM FIRST HOLE IN; Thread Length: 0.690 INCHES MINIMUM AND 0.810 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.750 INCHES MINIMUM AND 0.880 INCHES MAXIMUM STUD THREAD IN. 19 specifications are documented in the U.S. Government catalog.
Is NSN 5307-00-678-3321 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.