PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

149 ITEM 35Washer,keyway

Wellman Group · NSN 5310-00-870-6979 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-870-6979 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-870-6979. Primary manufacturer part number: 149 ITEM 35.
Features
  • Washer,keyway — FSC 5310
  • Style Designator: KEYWAY
  • Material: STEEL OVERALL
  • Hole Diameter: 0.660 INCHES NOMINAL IN
  • Outside Diameter: 1.340 INCHES NOMINAL IN
  • Material Thickness: 0.020 INCHES NOMINAL IN
  • Internal Keyway Width: 0.150 INCHES NOMINAL IN
  • Distance From Centerline to Bottom of Internal Keyway: 0.466 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,keyway, cataloged under National Stock Number 5310-00-870-6979, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wellman Group. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-870-6979
Primary Part Number149 ITEM 35
Item NameWasher,keyway
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerWellman Group
StatusACTIVE
Style DesignatorKEYWAY
MaterialSTEEL OVERALL
Hole Diameter0.660 INCHES NOMINAL IN
Outside Diameter1.340 INCHES NOMINAL IN
Material Thickness0.020 INCHES NOMINAL IN
Internal Keyway Width0.150 INCHES NOMINAL IN
Distance From Centerline to Bottom of Internal Keyway0.466 INCHES MINIMUM AND 0.476 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-127-26722124705 INTERCHANGEABLE
Seal,plain Encased
Chrysler Realty Company Llc Dba Daimler Chrysler
3110-00-157-02286209RS INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5305-00-298-760914935 INTERCHANGEABLE
Screw,machine
Honeywell International, Inc Div Aerospace-Tucson
5365-00-326-421227108 INTERCHANGEABLE
Spacer,sleeve
Honeywell International Inc. Div Aerospace - Torrance
4910-00-494-127727108 INTERCHANGEABLE
Pilot,valve Seat Refacing
Black and Decker Us Inc
5935-00-760-719627-108 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
3020-01-067-657227108 INTERCHANGEABLE
Gear,pinion
Moog Inc. Dba Ampac-Isp Corp
6685-01-120-7957909-146 INTERCHANGEABLE
Gage,differential,dial Indicatin
Donaldson Company, Inc.
5930-01-147-945927108 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
2920-01-212-477127284 INTERCHANGEABLE
Sensor,fuel Filter
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
149 ITEM 35 Wellman Group (GBR)
X5008/12/149/35 Wellman Group (GBR)
X5008/12/149 ITEM 35 Wellman Group (GBR)
27108 Paxton Products Inc (USA)
149/35 Wellman Group (GBR)
27108AT027108G Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5330-00-127-2672INTERCHANGEABLE
SEAL,PLAIN ENCASED
2124705
3110-00-157-0228INTERCHANGEABLE
BEARING,BALL,ANNULAR
6209RS
5305-00-298-7609INTERCHANGEABLE
SCREW,MACHINE
14935
5365-00-326-4212INTERCHANGEABLE
SPACER,SLEEVE
27108
4910-00-494-1277INTERCHANGEABLE
PILOT,VALVE SEAT REFACING
27108
5935-00-760-7196INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
27-108
3020-01-067-6572INTERCHANGEABLE
GEAR,PINION
27108
6685-01-120-7957INTERCHANGEABLE
GAGE,DIFFERENTIAL,DIAL INDICATIN
909-146
5930-01-147-9459INTERCHANGEABLE
SWITCH,FLOW
27108
2920-01-212-4771INTERCHANGEABLE
SENSOR,FUEL FILTER
27284
5835-01-251-2643INTERCHANGEABLE
REPRODUCER,SOUND

Frequently Asked Questions

What is NSN 5310-00-870-6979?

NSN 5310-00-870-6979 is a Washer,keyway, manufactured by Wellman Group, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-870-6979?

NSN 5310-00-870-6979 has 6 cross-referenced part numbers: 149 ITEM 35 (Wellman Group), X5008/12/149/35 (Wellman Group), X5008/12/149 ITEM 35 (Wellman Group), 27108 (Paxton Products Inc), 149/35 (Wellman Group) and 1 more.

What NSN replaces 5310-00-870-6979?

There are 11 known substitutes for 5310-00-870-6979: 5330-00-127-2672, 3110-00-157-0228, 5305-00-298-7609 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 149 ITEM 35?

Key specifications for 149 ITEM 35: Style Designator: KEYWAY; Material: STEEL OVERALL; Hole Diameter: 0.660 INCHES NOMINAL IN; Outside Diameter: 1.340 INCHES NOMINAL IN. 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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