NSN 5310-00-452-9178 · NIIN 004529178 · Part number STD1661
Naval Inventory Control Point Mechanicsburg · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 03950
Government record, cited
NSN 5310-00-452-9178 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-452-9178. Manufacturer of record part number: STD1661.
Also searched as5310-00-452-9178 ·
5310004529178 ·
NIIN 004529178 ·
00-452-9178 ·
FSC 5310 Nuts and Washers · CAGE 03950 · STD1661
Manufacturer of record: Naval Inventory Control Point Mechanicsburg
Identification
NSN: 5310-00-452-9178
NIIN: 004529178
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: STD1661
Manufacturer: Naval Inventory Control Point Mechanicsburg
General Description
The Washer,lock, cataloged under National Stock Number 5310-00-452-9178, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 5 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.
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 5310-00-452-9178?
NSN 5310-00-452-9178 is a Washer,lock, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-452-9178?
NSN 5310-00-452-9178 has 1 manufacturer part number on file: STD1661 (Naval Inventory Control Point Mechanicsburg).
What are the specifications of STD1661?
Key specifications for STD1661: Style Designator: SPLIT HELICAL-RIGHT HAND; Outside Diameter: 0.156 INCHES NOMINAL IN; Material Thickness: 0.016 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 5 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-452-9178 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.