PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8921151Cover,access

General Motors Corp · NSN 5340-00-172-8553 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-172-8553 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-172-8553. Primary manufacturer part number: 8921151.
Features
  • Cover,access — FSC 5340
  • Hole Diameter: 0.438 INCHES NOMINAL IN
  • Material: STEEL
  • Length: 6.594 INCHES NOMINAL IN
  • Inside Width: 3.156 INCHES NOMINAL IN
  • Flange Thickness: 0.156 INCHES NOMINAL IN
  • First Recess Inside Height: 0.531 INCHES NOMINAL IN
  • Inside Corner Radius: 0.500 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Cover,access, cataloged under National Stock Number 5340-00-172-8553, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is General Motors Corp. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-172-8553
Primary Part Number8921151
Item NameCover,access
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerGeneral Motors Corp
StatusCANCELLED
Hole Diameter0.438 INCHES NOMINAL IN
MaterialSTEEL
Length6.594 INCHES NOMINAL IN
Inside Width3.156 INCHES NOMINAL IN
Flange Thickness0.156 INCHES NOMINAL IN
First Recess Inside Height0.531 INCHES NOMINAL IN
Inside Corner Radius0.500 INCHES NOMINAL IN
Peripheral Shape StyleOVAL, ONE HOLE
Cross-Sectional Shape StyleOBLONG RECESS
Securing Device TypeTHREADED FASTENER
FSC Application DataCYLINDER BLOCK HAND HOLE COVERS,DIESEL ENGINE
Distance From First Hole Centerline to End Along Length3.297 INCHES NOMINAL IN
Width4.594 INCHES NOMINAL IN
Mounting Opening Shape StyleUNTHREADED HOLE
Inside Length5.156 INCHES NOMINAL IN
Body Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
5330-00-166-86225198676 INTERCHANGEABLE
Gasket Set
Rolls-Royce Solutions America Inc
Cross-Reference Index
Part NumberManufacturer
8921151 PRIMARY General Motors Corp (USA)
5153117 General Motors Corp Rochester Products Div (USA)
5193117 Zf Industrieantriebe Witten Gmbh (DEU)
5153117 Rolls-Royce Solutions America Inc (USA)
8921151 Rolls-Royce Solutions America Inc (USA)
5153117 General Motors Corp (USA)
Related Parts
5330-00-166-8622INTERCHANGEABLE
GASKET SET
5198676

Frequently Asked Questions

What is NSN 5340-00-172-8553?

NSN 5340-00-172-8553 is a Cover,access, manufactured by General Motors Corp, classified under FSC 5340 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5340-00-172-8553?

NSN 5340-00-172-8553 has 6 cross-referenced part numbers: 8921151 (General Motors Corp), 5153117 (General Motors Corp Rochester Products Div), 5193117 (Zf Industrieantriebe Witten Gmbh), 5153117 (Rolls-Royce Solutions America Inc), 8921151 (Rolls-Royce Solutions America Inc) and 1 more.

What NSN replaces 5340-00-172-8553?

There is 1 known substitute for 5340-00-172-8553: 5330-00-166-8622. Verify interchangeability with system specifications before substitution.

What are the specifications of 8921151?

Key specifications for 8921151: Hole Diameter: 0.438 INCHES NOMINAL IN; Material: STEEL; Length: 6.594 INCHES NOMINAL IN; Inside Width: 3.156 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5340-00-172-8553 still in active supply?

NSN 5340-00-172-8553 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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