NSN 5310-01-129-8972 · NIIN 011298972 · Part number A252X54
David Brown Hydraulics Inc Dba Hydreco · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 0E9N0
Government record, cited
NSN 5310-01-129-8972 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-129-8972. Manufacturer of record part number: A252X54.
Also searched as5310-01-129-8972 ·
5310011298972 ·
NIIN 011298972 ·
01-129-8972 ·
FSC 5310 Nuts and Washers · CAGE 0E9N0 · A252X54
Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Style Designator: SPLIT HELICAL-RIGHT HAND
Outside Diameter: 0.967 INCHES MAXIMUM IN
Material Thickness: 0.113 INCHES NOMINAL IN
Material: STEEL OVERALL
Hole Diameter: 0.572 INCHES MINIMUM IN
1 manufacturer part number on file
Identification
NSN: 5310-01-129-8972
NIIN: 011298972
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: A252X54
Manufacturer: David Brown Hydraulics Inc Dba Hydreco
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-129-8972, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 6 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-01-129-8972
Primary Part Number
A252X54
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
David Brown Hydraulics Inc Dba Hydreco
Status
ACTIVE
Hardness Rating
45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040
5310-00-000-0040 · Item name not on file
5310-00-000-0077
NUT,PLAIN,ROUND
5310-00-000-0079
WASHER,FLAT
5310-00-000-0079
WASHER,FLAT
5310-00-000-1146
5310-00-000-1146 · Item name not on file
5310-00-000-3815
5310-00-000-3815 · Item name not on file
5310-00-000-4532
5310-00-000-4532 · Item name not on file
5310-00-000-4540
5310-00-000-4540 · Item name not on file
Frequently Asked Questions
What is NSN 5310-01-129-8972?
NSN 5310-01-129-8972 is a Washer,lock, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-129-8972?
NSN 5310-01-129-8972 has 1 manufacturer part number on file: A252X54 (David Brown Hydraulics Inc Dba Hydreco).
What are the specifications of A252X54?
Key specifications for A252X54: Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.967 INCHES MAXIMUM IN; Material Thickness: 0.113 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-129-8972 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.