Washer, Flat 5310-00-807-5166 NSN 5310-00-807-5166 · NIIN 008075166 · Part number HSK779B0001
Raytheon Company Dba Raytheon Co · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 06845
NSN 5310-00-807-5166 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-807-5166. Manufacturer of record part number: HSK779B0001 .
Also searched as
5310-00-807-5166 ·
5310008075166 ·
NIIN 008075166 ·
00-807-5166 ·
FSC 5310 Nuts and Washers · CAGE 06845 · HSK779B0001
Nearby stock numbers
← 5310-00-807-5155
·
5310-00-807-5170 Nut, Self-Locking, Spline →
AF 0.250 INCHES NOMINAL IN
NUT + WASHER
5310-00-807-5166 — Nuts and Washers
Features
Washer,flat — FSC 5310 Overall Diameter: 0.250 INCHES NOMINAL IN Cross-Sectional Shape Style: RECTANGULAR Peripheral Shape Style: ROUND Material: COPPER ALLOY OVERALL Center Hole Shape Style: ROUND Hole Diameter: 0.147 INCHES NOMINAL IN Thickness: 0.032 INCHES NOMINAL IN
Identification
NSN: 5310-00-807-5166
NIIN: 008075166
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: HSK779B0001
Manufacturer: Raytheon Company Dba Raytheon Co
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-807-5166, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Dba Raytheon Co. 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 5310-00-807-5166 Primary Part Number HSK779B0001 Item Name Washer,flat FSC / FSG 5310 / 53 — Nuts and Washers Manufacturer Raytheon Company Dba Raytheon Co Status ACTIVE Overall Diameter 0.250 INCHES NOMINAL IN Cross-Sectional Shape Style RECTANGULAR Peripheral Shape Style ROUND Material COPPER ALLOY OVERALL Center Hole Shape Style ROUND Hole Diameter 0.147 INCHES NOMINAL IN Thickness 0.032 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status ACTIVE DEMIL Code DEMIL A — No Demilitarization Required Hazard No hazard code in the DLA record (HMIC N) Criticality Code X
Cross-Reference Index
Part Number Manufacturer
HSK779B0001 PRIMARY Raytheon Company Dba Raytheon Co (USA)
No interchangeability data on file.
Other items in FSC 5310 — Nuts and Washers
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 5310-00-807-5166?
NSN 5310-00-807-5166 is a Washer,flat, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-807-5166?
NSN 5310-00-807-5166 has 1 manufacturer part number on file: HSK779B0001 (Raytheon Company Dba Raytheon Co).
What are the specifications of HSK779B0001?
Key specifications for HSK779B0001: Overall Diameter: 0.250 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: COPPER ALLOY OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-807-5166 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.
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