PartsTable TECHNICAL DATA SHEET
NSN 5340-01-590-3878Government record, cited

Cover, Access5340-01-590-3878

NSN 5340-01-590-3878 · NIIN 015903878 · Part number 12421519-001
U S Army Tank Automotive Command Amsta-Im-Mm · FSC 5340 — Hardware, Commercial · FSG 53 — Hardware and Abrasives · CAGE 19207
Government record, cited
NSN 5340-01-590-3878 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-590-3878. Manufacturer of record part number: 12421519-001.
Also searched as  5340-01-590-3878 · 5340015903878 · NIIN 015903878 · 01-590-3878 · FSC 5340 Hardware, Commercial · CAGE 19207 · 12421519-001 · 12421519
Nearby stock numbers  ·
Features
  • Cover,access — FSC 5340
  • Distance From First Hole Centerline to End Along Width: 2.910 INCHES NOMINAL IN
  • Corner Radius: 0.380 INCHES NOMINAL IN
  • Length: 28.580 INCHES NOMINAL IN
  • Distance Between Holes Along Length: 4.000 INCHES NOMINAL IN
  • Hole Quantity Along Length: 7
  • Distance Between Holes Along Width: 4.000 INCHES NOMINAL IN
  • Material Document and Classification: ASTM B209 ASSN STD SINGLE MATERIAL RESPONSE
Identification
  • NSN: 5340-01-590-3878
  • NIIN: 015903878
  • FSC: 5340 — Hardware, Commercial
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 12421519-001
  • Manufacturer: U S Army Tank Automotive Command Amsta-Im-Mm
General Description

The Cover,access, cataloged under National Stock Number 5340-01-590-3878, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-590-3878
Primary Part Number12421519-001
Item NameCover,access
FSC / FSG5340 / 53 — Hardware, Commercial
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Distance From First Hole Centerline to End Along Width2.910 INCHES NOMINAL IN
Corner Radius0.380 INCHES NOMINAL IN
Length28.580 INCHES NOMINAL IN
Distance Between Holes Along Length4.000 INCHES NOMINAL IN
Hole Quantity Along Length7
Distance Between Holes Along Width4.000 INCHES NOMINAL IN
Material Document and ClassificationASTM B209 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Shape StyleFLAT
Securing Device TypeTHREADED FASTENER
Hole Quantity Along Width6
Distance From First Hole Centerline to End Along Length1.350 INCHES NOMINAL IN
Peripheral Shape StyleRECTANGLE, MULTI HOLES
Width26.690 INCHES NOMINAL IN
Corner Cut TypeBEVEL
MaterialALUMINUM ALLOY 5052
Body Thickness0.063 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Unit of IssueEA
⇄ Related Items 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5340-01-590-388512421519-010 POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-590-388912421519-011 POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-590-389112421519-015 POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-590-389512421519-020 POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-590-389812421519-018 POSSIBLE MATCH
PLATE,MOUNTING
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
5340-01-590-390012421519-024 POSSIBLE MATCH
PLATE,MOUNTING
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
2590-01-710-710812421519-002 POSSIBLE MATCH
COVER,ACCESS
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
2590-01-710-712812421519-012 POSSIBLE MATCH
PLATE,MOUNTING
Possible match (shared part number)U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
12421519-001 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Reference documents
ReferenceMeaning
12421519 D/9 Drawing number reference only
U S Army Tank Automotive Command Amsta-Im-Mm
Related Parts
5340-01-590-3885POSSIBLE MATCH
COVER,ACCESS
12421519-010
5340-01-590-3889POSSIBLE MATCH
COVER,ACCESS
12421519-011
5340-01-590-3891POSSIBLE MATCH
COVER,ACCESS
12421519-015
5340-01-590-3895POSSIBLE MATCH
COVER,ACCESS
12421519-020
5340-01-590-3898POSSIBLE MATCH
PLATE,MOUNTING
12421519-018
5340-01-590-3900POSSIBLE MATCH
PLATE,MOUNTING
12421519-024
2590-01-710-7108POSSIBLE MATCH
COVER,ACCESS
12421519-002
2590-01-710-7128POSSIBLE MATCH
PLATE,MOUNTING
12421519-012

Frequently Asked Questions

What is NSN 5340-01-590-3878?

NSN 5340-01-590-3878 is a Cover,access, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5340, Hardware, Commercial. Status: active.

What part numbers are listed for NSN 5340-01-590-3878?

NSN 5340-01-590-3878 has 1 manufacturer part number on file: 12421519-001 (U S Army Tank Automotive Command Amsta-Im-Mm).

What NSN replaces 5340-01-590-3878?

8 possible matches (shared part number, not a government interchangeability claim): 5340-01-590-3885, 5340-01-590-3889, 5340-01-590-3891. Verify interchangeability with system specifications before substitution.

What are the specifications of 12421519-001?

Key specifications for 12421519-001: Distance From First Hole Centerline to End Along Width: 2.910 INCHES NOMINAL IN; Corner Radius: 0.380 INCHES NOMINAL IN; Length: 28.580 INCHES NOMINAL IN; Distance Between Holes Along Length: 4.000 INCHES NOMINAL IN. 16 specifications are documented in the U.S. Government catalog.

Is NSN 5340-01-590-3878 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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