NSN 5310-01-499-4737 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-499-4737. Manufacturer of record part number: 8NLET1.
Also searched as5310-01-499-4737 ·
5310014994737 ·
NIIN 014994737 ·
01-499-4737 ·
FSC 5310 Nuts and Washers · CAGE 0AGX6 · 8NLET1
Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Style Designator: FLAT EXTERNAL TEETH
Material Document and Classification: SAE-J467, COMP 410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
Material Thickness: 0.018 INCHES MINIMUM AND 0.023 INCHES MAXIMUM IN
Material: STEEL COMP 410 OVERALL
Hole Diameter: 0.168 INCHES MINIMUM AND 0.176 INCHES MAXIMUM IN
Identification
NSN: 5310-01-499-4737
NIIN: 014994737
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 8NLET1
Manufacturer: Huntsville Fastener & Supply Inc
General Description
The Washer,lock, cataloged under National Stock Number 5310-01-499-4737, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Huntsville Fastener & Supply Inc. Government technical data includes 7 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
5310-01-499-4737
Primary Part Number
8NLET1
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Huntsville Fastener & Supply Inc
Status
ACTIVE
Hardness Rating
40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
Style Designator
FLAT EXTERNAL TEETH
Material Document and Classification
SAE-J467, COMP 410 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 5310-01-499-4737?
NSN 5310-01-499-4737 is a Washer,lock, manufactured by Huntsville Fastener & Supply Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-499-4737?
NSN 5310-01-499-4737 has 1 manufacturer part number on file: 8NLET1 (Huntsville Fastener & Supply Inc).
What are the specifications of 8NLET1?
Key specifications for 8NLET1: Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM; Style Designator: FLAT EXTERNAL TEETH; Material Document and Classification: SAE-J467, COMP 410 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.365 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-499-4737 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.