NSN 5310-01-004-4770 · NIIN 010044770 · Part number WR148
Mahr Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 21938
Government record, cited
NSN 5310-01-004-4770 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-004-4770. Manufacturer of record part number: WR148.
Also searched as5310-01-004-4770 ·
5310010044770 ·
NIIN 010044770 ·
01-004-4770 ·
FSC 5310 Nuts and Washers · CAGE 21938 · WR148
Test Data Document: 21938-WR148 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
1 manufacturer part number on file
Manufacturer of record: Mahr Inc
Identification
NSN: 5310-01-004-4770
NIIN: 010044770
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: WR148
Manufacturer: Mahr Inc
General Description
The Washer, cataloged under National Stock Number 5310-01-004-4770, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mahr Inc. Government technical data includes 1 specification, 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
5310-01-004-4770
Primary Part Number
WR148
Item Name
Washer
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Mahr Inc
Status
ACTIVE
Test Data Document
21938-WR148 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
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 5310-01-004-4770?
NSN 5310-01-004-4770 is a Washer, manufactured by Mahr Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-004-4770?
NSN 5310-01-004-4770 has 1 manufacturer part number on file: WR148 (Mahr Inc).
What are the specifications of WR148?
Key specifications for WR148: Test Data Document: 21938-WR148 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING). 1 specification is documented in the U.S. Government catalog.
Is NSN 5310-01-004-4770 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.