NSN 5310-01-397-5490 · NIIN 013975490 · Part number 11503977
Rolls-Royce Corporation · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 63005
Government record, cited
NSN 5310-01-397-5490 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-397-5490. Manufacturer of record part number: 11503977.
Also searched as5310-01-397-5490 ·
5310013975490 ·
NIIN 013975490 ·
01-397-5490 ·
FSC 5310 Nuts and Washers · CAGE 63005 · 11503977
Overall Diameter: 12.57 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM
Cross-Sectional Shape Style: RECTANGULAR
Surface Treatment: PHOSPHATE OVERALL
Peripheral Shape Style: ROUND
Material: STEEL OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 6.75 MILLIMETERS MINIMUM AND 6.87 MILLIMETERS MAXIMUM MM
Identification
NSN: 5310-01-397-5490
NIIN: 013975490
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 11503977
Manufacturer: Rolls-Royce Corporation
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-397-5490, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. 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
5310-01-397-5490
Primary Part Number
11503977
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Rolls-Royce Corporation
Status
ACTIVE
Overall Diameter
12.57 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM
Cross-Sectional Shape Style
RECTANGULAR
Surface Treatment
PHOSPHATE OVERALL
Peripheral Shape Style
ROUND
Material
STEEL OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
6.75 MILLIMETERS MINIMUM AND 6.87 MILLIMETERS MAXIMUM MM
Thickness
1.20 MILLIMETERS MINIMUM AND 1.75 MILLIMETERS MAXIMUM MM
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 5310-01-397-5490?
NSN 5310-01-397-5490 is a Washer,flat, manufactured by Rolls-Royce Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-397-5490?
NSN 5310-01-397-5490 has 1 manufacturer part number on file: 11503977 (Rolls-Royce Corporation).
What are the specifications of 11503977?
Key specifications for 11503977: Overall Diameter: 12.57 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: PHOSPHATE OVERALL; Peripheral Shape Style: ROUND. 8 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-397-5490 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.