PartsTable TECHNICAL DATA SHEET
NSN 5340-00-521-3418Government record, cited

Cover, Access5340-00-521-3418

NSN 5340-00-521-3418 · NIIN 005213418 · Part number B85027
New Venture Gear Inc New Process Gear Div · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 76760
Government record, cited
NSN 5340-00-521-3418 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-521-3418. Manufacturer of record part number: B85027.
Also searched as  5340-00-521-3418 · 5340005213418 · NIIN 005213418 · 00-521-3418 · FSC 5340 Hardware, Commercial · CAGE 76760 · B85027 · 2176725 · 5213418 · 2176725 · 2176725
Nearby stock numbers  ·
Features
  • Cover,access — FSC 5340
  • Inside Width: 1.312 INCHES NOMINAL IN
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL B FED SPEC SINGLE TREATMENT RESPONSE
  • Inside Length: 0.312 INCHES NOMINAL IN
  • Flange Thickness: 0.062 INCHES NOMINAL IN
  • Bolt Circle Hole Quantity: 3
  • First Recess Inside Height: 0.250 INCHES NOMINAL IN
  • Mounting Opening Shape Style: UNTHREADED HOLE
Identification
  • NSN: 5340-00-521-3418
  • NIIN: 005213418
  • FSC: 5340 — Hardware, Commercial
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: B85027
  • Manufacturer: New Venture Gear Inc New Process Gear Div
General Description

The Cover,access, cataloged under National Stock Number 5340-00-521-3418, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is New Venture Gear Inc New Process Gear Div. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5340-00-521-3418
Primary Part NumberB85027
Item NameCover,access
FSC / FSG5340 / 53 — Hardware, Commercial
ManufacturerNew Venture Gear Inc New Process Gear Div
StatusACTIVE
Inside Width1.312 INCHES NOMINAL IN
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL B FED SPEC SINGLE TREATMENT RESPONSE
Inside Length0.312 INCHES NOMINAL IN
Flange Thickness0.062 INCHES NOMINAL IN
Bolt Circle Hole Quantity3
First Recess Inside Height0.250 INCHES NOMINAL IN
Mounting Opening Shape StyleUNTHREADED HOLE
Material Document and ClassificationQQ-S-636 FED SPEC SINGLE MATERIAL RESPONSE
Cross-Sectional Shape StyleSQUARE OR RECTANGULAR RECESS
Outside Diameter2.812 INCHES NOMINAL IN
Securing Device TypeTHREADED FASTENER
Bolt Circle Diameter2.375 INCHES NOMINAL IN
Surface TreatmentCADMIUM
Peripheral Shape StyleROUND, MULTI HOLES
MaterialSTEEL
Inside Angle45.0 DEGREES NOMINAL
Hole Diameter0.265 INCHES NOMINAL IN
Body Thickness0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
5213418 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
2176725 General Motors Corp (USA)
B85027 PRIMARY New Venture Gear Inc New Process Gear Div (USA)
Reference documents
ReferenceMeaning
2176725 5/9 Secondary reference
Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02
2176725 C/1 Advisory reference — outside the item-of-supply concept
General Motors Llc Dba General Motors Llc
No interchangeability data on file.
Other items in FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068
COVER,ACCESS
5340-00-000-0132
SEAT,HELICAL COMPRESSION SPRING
5340-00-000-8150
5340-00-000-8150 · Item name not on file
5340-00-001-1251
5340-00-001-1251 · Item name not on file
5340-00-001-1264
STRAP,WEBBING
5340-00-001-1265
STRAP,WEBBING
5340-00-001-1266
STRAP,WEBBING
5340-00-001-1275
HANDLE,DOOR

Frequently Asked Questions

What is NSN 5340-00-521-3418?

NSN 5340-00-521-3418 is a Cover,access, manufactured by New Venture Gear Inc New Process Gear Div, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-00-521-3418?

NSN 5340-00-521-3418 has 3 manufacturer part numbers on file: 5213418 (U S Army Tank Automotive Command Amsta-Im-Mm), 2176725 (General Motors Corp), B85027 (New Venture Gear Inc New Process Gear Div).

What are the specifications of B85027?

Key specifications for B85027: Inside Width: 1.312 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL B FED SPEC SINGLE TREATMENT RESPONSE; Inside Length: 0.312 INCHES NOMINAL IN; Flange Thickness: 0.062 INCHES NOMINAL IN. 18 specifications are documented in the U.S. Government catalog.

Is NSN 5340-00-521-3418 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). 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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