NSN 5310-00-424-3172 · NIIN 004243172 · Part number WA78682
United Technologies Corp Electro Systems Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 24956
Government record, cited
NSN 5310-00-424-3172 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-424-3172. Manufacturer of record part number: WA78682.
Also searched as5310-00-424-3172 ·
5310004243172 ·
NIIN 004243172 ·
00-424-3172 ·
FSC 5310 Nuts and Washers · CAGE 24956 · WA78682 · 6F5844
Overall Diameter: 0.0269 INCHES MINIMUM AND 0.0271 INCHES MAXIMUM IN
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL OVERALL
Center Hole Shape Style: ROUND
Hole Diameter: 0.0160 INCHES MINIMUM AND 0.0161 INCHES MAXIMUM IN
Thickness: 0.020 INCHES NOMINAL IN
Identification
NSN: 5310-00-424-3172
NIIN: 004243172
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: WA78682
Manufacturer: United Technologies Corp Electro Systems Inc
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-424-3172, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is United Technologies Corp Electro Systems Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-424-3172
Primary Part Number
WA78682
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
United Technologies Corp Electro Systems Inc
Status
ACTIVE
Overall Diameter
0.0269 INCHES MINIMUM AND 0.0271 INCHES MAXIMUM IN
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.0160 INCHES MINIMUM AND 0.0161 INCHES MAXIMUM IN
United Technologies Corp Electro Systems Inc (USA)
Reference documents
Reference
Meaning
WA78682
5/9Secondary reference
Ambac International Corporation Div Ambac International
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 5310-00-424-3172?
NSN 5310-00-424-3172 is a Washer,flat, manufactured by United Technologies Corp Electro Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-424-3172?
NSN 5310-00-424-3172 has 2 manufacturer part numbers on file: 6F5844 (Caterpillar Inc Div Caterpillar Defense), WA78682 (United Technologies Corp Electro Systems Inc).
What are the specifications of WA78682?
Key specifications for WA78682: Overall Diameter: 0.0269 INCHES MINIMUM AND 0.0271 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: STEEL OVERALL. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-424-3172 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.