PartsTable TECHNICAL DATA SHEET
NSN 2540-01-698-3881Government record, cited

Locking Mechanism2540-01-698-3881

NSN 2540-01-698-3881 · NIIN 016983881 · Part number E3-127-0312
Southco Inc. · FSC 2540 — Vehicular Furniture and Accessories · FSG 25 — Vehicular Equipment Components · CAGE 483C0
Government record, cited
NSN 2540-01-698-3881 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-698-3881. Manufacturer of record part number: E3-127-0312.
Also searched as  2540-01-698-3881 · 2540016983881 · NIIN 016983881 · 01-698-3881 · FSC 2540 Vehicular Furniture and Accessories · CAGE 483C0 · E3-127-0312
Nearby stock numbers  ·
Features
  • Locking Mechanism — FSC 2540
  • Material: STEEL STAINLESS - USE STB000
  • 1 manufacturer part number on file
  • Manufacturer of record: Southco Inc.
Identification
  • NSN: 2540-01-698-3881
  • NIIN: 016983881
  • FSC: 2540 — Vehicular Furniture and Accessories
  • FSG: 25 — Vehicular Equipment Components
  • Primary part number: E3-127-0312
  • Manufacturer: Southco Inc.
General Description

The Locking Mechanism, cataloged under National Stock Number 2540-01-698-3881, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Southco Inc.. Government technical data includes 1 specification, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2540-01-698-3881
Primary Part NumberE3-127-0312
Item NameLocking Mechanism
FSC / FSG2540 / 25 — Vehicular Furniture and Accessories
ManufacturerSouthco Inc.
StatusACTIVE
MaterialSTEEL STAINLESS - USE STB000
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
⇄ Related Items 1
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5325-01-707-3078E3-127-0312 POSSIBLE MATCH
STUD,TURNLOCK FASTENER
Possible match (shared part number)Southco Inc
Cross-Reference Index
Part NumberManufacturer
E3-127-0312 PRIMARY Southco Inc. (USA)
Related Parts
5325-01-707-3078POSSIBLE MATCH
STUD,TURNLOCK FASTENER
E3-127-0312

Frequently Asked Questions

What is NSN 2540-01-698-3881?

NSN 2540-01-698-3881 is a Locking Mechanism, manufactured by Southco Inc., classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.

What part numbers are listed for NSN 2540-01-698-3881?

NSN 2540-01-698-3881 has 1 manufacturer part number on file: E3-127-0312 (Southco Inc.).

What NSN replaces 2540-01-698-3881?

1 possible match (shared part number, not a government interchangeability claim): 5325-01-707-3078. Verify interchangeability with system specifications before substitution.

What are the specifications of E3-127-0312?

Key specifications for E3-127-0312: Special Features: 0.08 INCH MAX DOOR THICKNESS IN; Part Name Assigned by Controlling Agency: KNOB; Material: STEEL STAINLESS - USE STB000. 1 specification is documented in the U.S. Government catalog.

Is NSN 2540-01-698-3881 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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