Washer, Flat 5310-01-209-7978 NSN 5310-01-209-7978 · NIIN 012097978 · Part number 5137275
Rolls-Royce Solutions America Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 72582
NSN 5310-01-209-7978 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-209-7978. Manufacturer of record part number: 5137275 .
Also searched as
5310-01-209-7978 ·
5310012097978 ·
NIIN 012097978 ·
01-209-7978 ·
FSC 5310 Nuts and Washers · CAGE 72582 · 5137275 · 2CD279
Nearby stock numbers
← 5310-01-209-7977 Washer, Flat
·
5310-01-209-7979 Washer, Flat →
AF 1.000 INCHES NOMINAL IN
NUT + WASHER
5310-01-209-7978 — Nuts and Washers
Features
Washer,flat — FSC 5310 Overall Diameter: 1.000 INCHES NOMINAL IN Cross-Sectional Shape Style: RECTANGULAR Peripheral Shape Style: ROUND Center Hole Shape Style: ROUND Hole Diameter: 0.680 INCHES NOMINAL IN Thickness: 0.120 INCHES NOMINAL IN 2 manufacturer part numbers on file
Identification
NSN: 5310-01-209-7978
NIIN: 012097978
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 5137275
Manufacturer: Rolls-Royce Solutions America Inc
General Description
The Washer,flat, cataloged under National Stock Number 5310-01-209-7978, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Solutions America Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 5310-01-209-7978 Primary Part Number 5137275 Item Name Washer,flat FSC / FSG 5310 / 53 — Nuts and Washers Manufacturer Rolls-Royce Solutions America Inc Status ACTIVE Overall Diameter 1.000 INCHES NOMINAL IN Cross-Sectional Shape Style RECTANGULAR Peripheral Shape Style ROUND Center Hole Shape Style ROUND Hole Diameter 0.680 INCHES NOMINAL IN Thickness 0.120 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
2CD279 Oshkosh Defense Llc (USA)
5137275 PRIMARY Rolls-Royce Solutions America Inc (USA)
Reference documents
Reference Meaning
5137275
5/1 Secondary reference Terex Equipment Ltd Div Construction Equipment
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 5310-01-209-7978?
NSN 5310-01-209-7978 is a Washer,flat, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-01-209-7978?
NSN 5310-01-209-7978 has 2 manufacturer part numbers on file: 2CD279 (Oshkosh Defense Llc), 5137275 (Rolls-Royce Solutions America Inc).
What are the specifications of 5137275?
Key specifications for 5137275: Overall Diameter: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCK); 2320-01-304-2277 AND 2320-01-304-2278 PLS (PALLETIZED LOADING SYSTEM). 6 specifications are documented in the U.S. Government catalog.
Is NSN 5310-01-209-7978 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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