NSN 5310-01-003-7745 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-003-7745. Manufacturer of record part number: 32993-1.
Also searched as5310-01-003-7745 ·
5310010037745 ·
NIIN 010037745 ·
01-003-7745 ·
FSC 5310 Nuts and Washers · CAGE 71895 · 32993-1
Overall Diameter: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Material Document and Classification: AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL COMP 631 OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.375 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Identification
NSN: 5310-01-003-7745
NIIN: 010037745
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 32993-1
Manufacturer: Collins Engine Nozzles, Inc
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-003-7745, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Collins Engine Nozzles, Inc. Government technical data includes 8 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
5310-01-003-7745
Primary Part Number
32993-1
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Collins Engine Nozzles, Inc
Status
ACTIVE
Overall Diameter
0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN
Material Document and Classification
AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 5310-01-003-7745?
NSN 5310-01-003-7745 is a Washer,flat, manufactured by Collins Engine Nozzles, Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-003-7745?
NSN 5310-01-003-7745 has 1 manufacturer part number on file: 32993-1 (Collins Engine Nozzles, Inc).
What are the specifications of 32993-1?
Key specifications for 32993-1: Overall Diameter: 0.510 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Material Document and Classification: AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-003-7745 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.