NSN 5310-00-407-2187 · NIIN 004072187 · Part number 107003-256
Raytheon Company · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 37695
Government record, cited
NSN 5310-00-407-2187 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-407-2187. Manufacturer of record part number: 107003-256.
Also searched as5310-00-407-2187 ·
5310004072187 ·
NIIN 004072187 ·
00-407-2187 ·
FSC 5310 Nuts and Washers · CAGE 37695 · 107003-256
Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Style Designator: FLAT INTERNAL TEETH
Outside Diameter: 0.278 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN
Material Thickness: 0.018 INCHES NOMINAL IN
Surface Treatment: NICKEL OVERALL
Material: COPPER ALLOY OVERALL
Hole Diameter: 0.142 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
Identification
NSN: 5310-00-407-2187
NIIN: 004072187
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 107003-256
Manufacturer: Raytheon Company
General Description
The Washer,lock, cataloged under National Stock Number 5310-00-407-2187, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. 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
5310-00-407-2187
Primary Part Number
107003-256
Item Name
Washer,lock
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
Raytheon Company
Status
ACTIVE
Surface Treatment Document and Classification
QQ-N-290 FED 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 5310-00-407-2187?
NSN 5310-00-407-2187 is a Washer,lock, manufactured by Raytheon Company, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-407-2187?
NSN 5310-00-407-2187 has 1 manufacturer part number on file: 107003-256 (Raytheon Company).
What are the specifications of 107003-256?
Key specifications for 107003-256: Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT INTERNAL TEETH; Outside Diameter: 0.278 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN; Material Thickness: 0.018 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-407-2187 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.