NSN 5340-01-657-9025 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-657-9025. Manufacturer of record part number: FTN-4-1-1.
Also searched as5340-01-657-9025 ·
5340016579025 ·
NIIN 016579025 ·
01-657-9025 ·
FSC 5340 Hardware, Commercial · CAGE 51439 · FTN-4-1-1
The Cover,access, cataloged under National Stock Number 5340-01-657-9025, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Fatigue Technology, Inc. Government technical data includes 6 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5340-01-657-9025
Primary Part Number
FTN-4-1-1
Item Name
Cover,access
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Fatigue Technology, Inc
Status
ACTIVE
Minor Length
0.562 INCHES NOMINAL IN
Mounting Opening Shape Style
UNTHREADED HOLE
Mounting Hole/slot Quantity
1
Material
STEEL CORROSION RESISTING
Hole Diameter
0.254 INCHES NOMINAL IN
Body Thickness
0.046 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5340-01-657-9025?
NSN 5340-01-657-9025 is a Cover,access, manufactured by Fatigue Technology, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-01-657-9025?
NSN 5340-01-657-9025 has 1 manufacturer part number on file: FTN-4-1-1 (Fatigue Technology, Inc).
What are the specifications of FTN-4-1-1?
Key specifications for FTN-4-1-1: Minor Length: 0.562 INCHES NOMINAL IN; Mounting Opening Shape Style: UNTHREADED HOLE; Mounting Hole/slot Quantity: 1; Special Features: SIZE 1/4". 6 specifications are documented in the U.S. Government catalog.
Is NSN 5340-01-657-9025 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.