PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1551AS965-39Nut,self-Locking,hexagon

Zf Industrieantriebe Witten Gmbh · NSN 5310-00-176-6271 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-176-6271 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-176-6271. Primary manufacturer part number: 1551AS965-39.
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Thread Class: 2B
  • Nut Height: 0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
  • Material: STEEL NUT
  • Bearing Surface Finish: 125.0 MICROINCHES
  • Thread Quantity Per Inch: 12
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Nominal Thread Size: 0.562 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Nut construction
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-176-6271, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-176-6271
Primary Part Number1551AS965-39
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerZf Industrieantriebe Witten Gmbh
StatusCANCELLED
Thread Class2B
Nut Height0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN
MaterialSTEEL NUT
Bearing Surface Finish125.0 MICROINCHES
Thread Quantity Per Inch12
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Nominal Thread Size0.562 INCHES IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Width Across Flats0.861 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
LubricationDRY FILM LUBRICANT
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
Nut StyleHEXAGON
Locking FeaturePREVAILING TORQUE WITH NONMETALLIC INSERT
MaterialPLASTIC POLYAMIDE NYLON LOCKING INSERT
Thread DirectionRIGHT-HAND
Material Document and ClassificationSAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
Surface TreatmentCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5120-00-246-4747 INTERCHANGEABLE
Caps,vise Jaw
1040-00-525-048510330 INTERCHANGEABLE
Tank Assy
L3harris Technologies, Inc. Div Space and Airborne Systems
3030-00-529-0469 INTERCHANGEABLE
Belt,v
3040-00-623-3316SM-B-187799 INTERCHANGEABLE
Shaft,shouldered
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5133-01-023-1554 INTERCHANGEABLE
Drill,twist
2930-01-054-534110330 INTERCHANGEABLE
Cap,filler Opening
Stant Mfg Co Inc
5950-01-079-8210 INTERCHANGEABLE
Coil,radio Frequency
3695-01-176-4317201383 INTERCHANGEABLE
Air Jet Assembly
Econoline Mfg Inc
5331-01-215-7134A-30512-78 INTERCHANGEABLE
O-Ring
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6145-01-292-5231MIS-20054/17-001 INTERCHANGEABLE
Cable,special Purpose,electrical
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
1551AS965-39 Zf Industrieantriebe Witten Gmbh (DEU)
M45913/1-9CG5C Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS51922-41 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-45913/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
10330 Esna, Llc (USA)
10330 Harvard Industries Inc (USA)
Related Parts
5120-00-246-4747INTERCHANGEABLE
CAPS,VISE JAW
1040-00-525-0485INTERCHANGEABLE
TANK ASSY
10330
3030-00-529-0469INTERCHANGEABLE
BELT,V
3040-00-623-3316INTERCHANGEABLE
SHAFT,SHOULDERED
SM-B-187799
5133-01-023-1554INTERCHANGEABLE
DRILL,TWIST
2930-01-054-5341INTERCHANGEABLE
CAP,FILLER OPENING
10330
5950-01-079-8210INTERCHANGEABLE
COIL,RADIO FREQUENCY
3695-01-176-4317INTERCHANGEABLE
AIR JET ASSEMBLY
201383
5331-01-215-7134INTERCHANGEABLE
O-RING
A-30512-78
6145-01-292-5231INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
MIS-20054/17-001
5331-01-416-2984INTERCHANGEABLE
O-RING
4140-01-486-2030INTERCHANGEABLE
FAN,CENTRIFUGAL
10330

Frequently Asked Questions

What is NSN 5310-00-176-6271?

NSN 5310-00-176-6271 is a Nut,self-Locking,hexagon, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-176-6271?

NSN 5310-00-176-6271 has 6 cross-referenced part numbers: 1551AS965-39 (Zf Industrieantriebe Witten Gmbh), M45913/1-9CG5C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS51922-41 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-45913/1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 10330 (Esna, Llc) and 1 more.

What NSN replaces 5310-00-176-6271?

There are 12 known substitutes for 5310-00-176-6271: 5120-00-246-4747, 1040-00-525-0485, 3030-00-529-0469 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1551AS965-39?

Key specifications for 1551AS965-39: Thread Class: 2B; Nut Height: 0.626 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN; Material: STEEL NUT; Bearing Surface Finish: 125.0 MICROINCHES. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-176-6271 still in active supply?

NSN 5310-00-176-6271 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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