PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6864038Washer,lock

Allison Transmission Inc Dba Allison Transmission, Inc · NSN 5310-00-849-9688 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-849-9688 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-849-9688. Primary manufacturer part number: 6864038.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 0.365 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
  • Hole Diameter: 0.190 INCHES NOMINAL IN
  • Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL COMP 310 OVERALL
  • Heat Treatment: AS FABRICATED
  • Material Thickness: 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 310 Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-00-849-9688, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-849-9688
Primary Part Number6864038
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAllison Transmission Inc Dba Allison Transmission, Inc
StatusACTIVE
Outside Diameter0.365 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
Hole Diameter0.190 INCHES NOMINAL IN
Material Document and ClassificationFED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL COMP 310 OVERALL
Heat TreatmentAS FABRICATED
Material Thickness0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
9505-00-293-4208MS20995C32 INTERCHANGEABLE
Wire,nonelectrical
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5330-00-374-9518K0031765 INTERCHANGEABLE
Gasket
Leroi International Inc Dba Compair Leroi
5995-00-430-74585DS00 INTERCHANGEABLE
Lead,electrical
Trw Inc Trw Commercial Steering Div
5133-00-839-551017234 INTERCHANGEABLE
Drill,twist
New York Twist Drill Inc
5935-01-258-7802W3T104990 INTERCHANGEABLE
Connector,receptacle,electrical
Evoqua Water Technologies Llc
5340-01-575-897831765 INTERCHANGEABLE
Pad Eye
Festo (pty) Ltd
5340-01-612-5991 INTERCHANGEABLE
Bracket,mounting
5930-01-664-804731765 INTERCHANGEABLE
Switch,pressure
Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
Cross-Reference Index
Part NumberManufacturer
6864038 Rolls-Royce Airlines (GBR)
6864038 PRIMARY Allison Transmission Inc Dba Allison Transmission, Inc (USA)
31765 Zf Industrieantriebe Witten Gmbh (DEU)
K11403 Rolls-Royce Airlines (GBR)
Related Parts
9505-00-293-4208INTERCHANGEABLE
WIRE,NONELECTRICAL
MS20995C32
5330-00-374-9518INTERCHANGEABLE
GASKET
K0031765
5995-00-430-7458INTERCHANGEABLE
LEAD,ELECTRICAL
5DS00
5133-00-839-5510INTERCHANGEABLE
DRILL,TWIST
17234
5935-01-258-7802INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
W3T104990
5340-01-575-8978INTERCHANGEABLE
PAD EYE
31765
5340-01-612-5991INTERCHANGEABLE
BRACKET,MOUNTING
5930-01-664-8047INTERCHANGEABLE
SWITCH,PRESSURE
31765

Frequently Asked Questions

What is NSN 5310-00-849-9688?

NSN 5310-00-849-9688 is a Washer,lock, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-849-9688?

NSN 5310-00-849-9688 has 4 cross-referenced part numbers: 6864038 (Rolls-Royce Airlines), 6864038 (Allison Transmission Inc Dba Allison Transmission, Inc), 31765 (Zf Industrieantriebe Witten Gmbh), K11403 (Rolls-Royce Airlines).

What NSN replaces 5310-00-849-9688?

There are 8 known substitutes for 5310-00-849-9688: 9505-00-293-4208, 5330-00-374-9518, 5995-00-430-7458 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6864038?

Key specifications for 6864038: Outside Diameter: 0.365 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN; Hole Diameter: 0.190 INCHES NOMINAL IN; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Style Designator: SPLIT HELICAL-RIGHT HAND. 7 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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