PartsTable TECHNICAL DATA SHEET
NSN 5310-00-849-9656Government record, cited

Washer, Lock5310-00-849-9656

NSN 5310-00-849-9656 · NIIN 008499656 · Part number 6864039
Allison Transmission Inc Dba Allison Transmission, Inc · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 73342
Government record, cited
NSN 5310-00-849-9656 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-849-9656. Manufacturer of record part number: 6864039.
Also searched as  5310-00-849-9656 · 5310008499656 · NIIN 008499656 · 00-849-9656 · FSC 5310 Nuts and Washers · CAGE 73342 · 6864039 · K11404
Nearby stock numbers  ·
Features
  • Washer,lock — FSC 5310
  • Heat Treatment: AS FABRICATED
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material Document and Classification: AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Outside Diameter: 0.470 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
  • Material Thickness: 0.056 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN
  • Departure From Cited Document: NONW
  • Material: STEEL COMP 302 OVERALL
Identification
  • NSN: 5310-00-849-9656
  • NIIN: 008499656
  • FSC: 5310 — Nuts and Washers
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 6864039
  • Manufacturer: Allison Transmission Inc Dba Allison Transmission, Inc
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-849-9656, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-849-9656
Primary Part Number6864039
Item NameWasher,lock
FSC / FSG5310 / 53 — Nuts and Washers
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Heat TreatmentAS FABRICATED
Style DesignatorSPLIT HELICAL-RIGHT HAND
Material Document and ClassificationAMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter0.470 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
Material Thickness0.056 INCHES MINIMUM AND 0.061 INCHES MAXIMUM IN
Departure From Cited DocumentNONW
MaterialSTEEL COMP 302 OVERALL
Hole Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
K11404 Rolls-Royce Airlines (GBR)
6864039 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
6864039 Rolls-Royce Airlines (GBR)
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 5310-00-849-9656?

NSN 5310-00-849-9656 is a Washer,lock, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310, Nuts and Washers. Status: active.

What part numbers are listed for NSN 5310-00-849-9656?

NSN 5310-00-849-9656 has 3 manufacturer part numbers on file: K11404 (Rolls-Royce Airlines), 6864039 (Allison Transmission Inc Dba Allison Transmission, Inc), 6864039 (Rolls-Royce Airlines).

What are the specifications of 6864039?

Key specifications for 6864039: Heat Treatment: AS FABRICATED; Style Designator: SPLIT HELICAL-RIGHT HAND; Material Document and Classification: AMS 5688 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.470 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 5310-00-849-9656 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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