PartsTable TECHNICAL DATA SHEET
NSN 5310-00-045-1057Government record, cited

Nut, Self-Locking, Hexagon5310-00-045-1057

NSN 5310-00-045-1057 · NIIN 000451057 · Part number 212689
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 06853
Government record, cited
NSN 5310-00-045-1057 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-045-1057. Manufacturer of record part number: 212689.
Also searched as  5310-00-045-1057 · 5310000451057 · NIIN 000451057 · 00-045-1057 · FSC 5310 Nuts and Washers · CAGE 06853 · 212689 · 145025 · 451057 · 145025 · 398371
Nearby stock numbers  ·
Features
  • Nut,self-Locking,hexagon — FSC 5310
  • Width Across Flats: 0.500 INCHES NOMINAL IN
  • Thread Series: UNIFIED NATIONAL COARSE (UNC)
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Size: 0.312 INCHES IN
  • Locking Feature: FREE-RUNNING ALL METAL DESIGN
  • Nut Height: 0.187 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM AND ZINC OVERALL
Identification
  • NSN: 5310-00-045-1057
  • NIIN: 000451057
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 212689
  • Manufacturer: Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
General Description

The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-00-045-1057, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-045-1057
Primary Part Number212689
Item NameNut,self-Locking,hexagon
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerBendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
StatusACTIVE
Width Across Flats0.500 INCHES NOMINAL IN
Thread SeriesUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Nominal Thread Size0.312 INCHES IN
Locking FeatureFREE-RUNNING ALL METAL DESIGN
Nut Height0.187 INCHES NOMINAL IN
Surface TreatmentCADMIUM AND ZINC OVERALL
Thread Class2B
Thread Quantity Per Inch18
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2995-00-388-8927451057 POSSIBLE MATCH
DRIVE ASSEMBLY,ARM,
Possible match (shared part number)Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)
5998-00-763-1486SM-C-500636 POSSIBLE MATCH
ELECTRONIC COMPONENTS ASSEMBLY
Possible match (shared part number)Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6350-01-174-6696212689 POSSIBLE MATCH
LAMP AND BAR ASSEMBLY
Possible match (shared part number)Honeywell Ltdaerospace Div
5930-01-509-6703145025-10 POSSIBLE MATCH
SWITCH ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp
5930-01-509-6741145025-17 POSSIBLE MATCH
SWITCH ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp
5930-01-509-6768145025-16 POSSIBLE MATCH
SWITCH ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp
5930-01-509-6774145025-9 POSSIBLE MATCH
SWITCH ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp
5930-01-509-7631145025-22 POSSIBLE MATCH
SWITCH ASSEMBLY
Possible match (shared part number)Lockheed Martin Corp
5930-01-721-0137505M/0257 POSSIBLE MATCH
SWITCH SUBASSEMBLY
Possible match (shared part number)Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
Cross-Reference Index
Part NumberManufacturer
212689 PRIMARY Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems (USA)
Reference documents
ReferenceMeaning
145025 5/9 Secondary reference
General Motors Corp
451057 5/9 Secondary reference
U.S. Government activity
145025 C/1 Advisory reference — outside the item-of-supply concept
General Motors Llc Dba General Motors Llc
398371 5/9 Secondary reference
White Motor Corp
Related Parts
2995-00-388-8927POSSIBLE MATCH
DRIVE ASSEMBLY,ARM,
451057
5998-00-763-1486POSSIBLE MATCH
ELECTRONIC COMPONENTS ASSEMBLY
SM-C-500636
6350-01-174-6696POSSIBLE MATCH
LAMP AND BAR ASSEMBLY
212689
5930-01-509-6703POSSIBLE MATCH
SWITCH ASSEMBLY
145025-10
5930-01-509-6741POSSIBLE MATCH
SWITCH ASSEMBLY
145025-17
5930-01-509-6768POSSIBLE MATCH
SWITCH ASSEMBLY
145025-16
5930-01-509-6774POSSIBLE MATCH
SWITCH ASSEMBLY
145025-9
5930-01-509-7631POSSIBLE MATCH
SWITCH ASSEMBLY
145025-22
5930-01-721-0137POSSIBLE MATCH
SWITCH SUBASSEMBLY
505M/0257

Frequently Asked Questions

What is NSN 5310-00-045-1057?

NSN 5310-00-045-1057 is a Nut,self-Locking,hexagon, manufactured by Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-045-1057?

NSN 5310-00-045-1057 has 1 manufacturer part number on file: 212689 (Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems).

What NSN replaces 5310-00-045-1057?

9 possible matches (shared part number, not a government interchangeability claim): 2995-00-388-8927, 5998-00-763-1486, 6350-01-174-6696. Verify interchangeability with system specifications before substitution.

What are the specifications of 212689?

Key specifications for 212689: Width Across Flats: 0.500 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.312 INCHES IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-045-1057 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.
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