NSN 5310-01-657-2100 · NIIN 016572100 · Part number 16KP108
Oshkosh Defense Llc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 75Q65
Government record, cited
NSN 5310-01-657-2100 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-657-2100. Manufacturer of record part number: 16KP108.
Also searched as5310-01-657-2100 ·
5310016572100 ·
NIIN 016572100 ·
01-657-2100 ·
FSC 5310 Nuts and Washers · CAGE 75Q65 · 16KP108 · 2DA91
The Washer,lock, cataloged under National Stock Number 5310-01-657-2100, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
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 5310-01-657-2100?
NSN 5310-01-657-2100 is a Washer,lock, manufactured by Oshkosh Defense Llc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-657-2100?
NSN 5310-01-657-2100 has 2 manufacturer part numbers on file: 2DA91 (W.w. Grainger, Inc. Div Government Sales Division), 16KP108 (Oshkosh Defense Llc).
What are the specifications of 16KP108?
Key specifications for 16KP108: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.583 INCHES NOMINAL IN; Material Thickness: 0.078 INCHES NOMINAL IN; Special Features: ROCKWELL HARDNESS C38 TO C46;MEETS/EXCEEDS ASME B18.21.1;FITS BOLT SIZES 0.3125. 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-657-2100 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.