The Mount,special, cataloged under National Stock Number 5340-01-131-5593, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is American Turbo Systems 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-131-5593 |
| Primary Part Number | 100637 |
| Item Name | Mount,special |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | American Turbo Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL,COMP 4130; 0.460 IN. THICK; 1.3256 IN. OUTSIDE DIAMETER; 1.2596 IN. INSIDE DIAMETER IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 100637 PRIMARY | American Turbo Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 100637 | 5/9 Secondary reference Walker Power Systems, Inc. Dba Tiernay Turbines |
NSN 5340-01-131-5593 is a Mount,special, manufactured by American Turbo Systems Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-131-5593 has 1 manufacturer part number on file: 100637 (American Turbo Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-439-9842. Verify interchangeability with system specifications before substitution.
Key specifications for 100637: General Characteristics Item Description: STEEL,COMP 4130; 0.460 IN. THICK; 1.3256 IN. OUTSIDE DIAMETER; 1.2596 IN. INSIDE DIAMETER IN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
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.