NSN 5310-01-312-6663 · NIIN 013126663 · Part number 6242864
Naval Sea Systems Command · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 53711
Government record, cited
NSN 5310-01-312-6663 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-312-6663. Manufacturer of record part number: 6242864.
Also searched as5310-01-312-6663 ·
5310013126663 ·
NIIN 013126663 ·
01-312-6663 ·
FSC 5310 Nuts and Washers · CAGE 53711 · 6242864
Surface Treatment Document and Classification: MIL-C-81751,TY 1,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Style Designator: SADDLE
Material Document and Classification: ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL
Outside Diameter: 1.250 INCHES NOMINAL IN
Color: GRAY/GREY OVERALL
Material: STEEL COMP 416 OR STEEL COMP 416SE OVERALL
Hole Diameter: 0.620 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
Identification
NSN: 5310-01-312-6663
NIIN: 013126663
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 6242864
Manufacturer: Naval Sea Systems Command
General Description
The Washer,saddle, cataloged under National Stock Number 5310-01-312-6663, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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
5310-01-312-6663
Primary Part Number
6242864
Item Name
Washer,saddle
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Surface Treatment Document and Classification
MIL-C-81751,TY 1,CL 4 MIL SPEC SINGLE TREATMENT 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 5310-01-312-6663?
NSN 5310-01-312-6663 is a Washer,saddle, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-312-6663?
NSN 5310-01-312-6663 has 1 manufacturer part number on file: 6242864 (Naval Sea Systems Command).
What are the specifications of 6242864?
Key specifications for 6242864: Overall Height: 0.190 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-81751,TY 1,CL 4 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SADDLE; Material Document and Classification: ASTM A582 ASSN STD ALL MATERIAL RESPONSES OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-312-6663 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.