NSN 5310-01-734-3577 · NIIN 017343577 · Part number 11511778
Fastenal Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 3CSG9
Government record, cited
NSN 5310-01-734-3577 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-734-3577. Manufacturer of record part number: 11511778.
Also searched as5310-01-734-3577 ·
5310017343577 ·
NIIN 017343577 ·
01-734-3577 ·
FSC 5310 Nuts and Washers · CAGE 3CSG9 · 11511778
Outside Diameter: 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM
Material: STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
Hole Diameter: 4.30 MILLIMETERS MINIMUM AND 4.48 MILLIMETERS MAXIMUM MM
Thickness: 0.90 MILLIMETERS MINIMUM AND 1.10 MILLIMETERS MAXIMUM MM
1 manufacturer part number on file
Manufacturer of record: Fastenal Company
Identification
NSN: 5310-01-734-3577
NIIN: 017343577
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 11511778
Manufacturer: Fastenal Company
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-734-3577, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company. Government technical data includes 4 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
5310-01-734-3577
Primary Part Number
11511778
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Fastenal Company
Status
ACTIVE
Outside Diameter
11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM
Material
STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED
Hole Diameter
4.30 MILLIMETERS MINIMUM AND 4.48 MILLIMETERS MAXIMUM MM
Thickness
0.90 MILLIMETERS MINIMUM AND 1.10 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 5310-01-734-3577?
NSN 5310-01-734-3577 is a Washer,flat, manufactured by Fastenal Company, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-734-3577?
NSN 5310-01-734-3577 has 1 manufacturer part number on file: 11511778 (Fastenal Company).
What are the specifications of 11511778?
Key specifications for 11511778: Outside Diameter: 11.57 MILLIMETERS MINIMUM AND 12.00 MILLIMETERS MAXIMUM MM; Special Features: FINISH PLAIN;GRADE A2;HARDNESS CLASS 140 HV; Part Name Assigned by Controlling Agency: FENDER WASHER; Material: STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-734-3577 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.