The Shield,expansion, cataloged under National Stock Number 5340-01-081-6449, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 7 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-081-6449 |
| Primary Part Number | AA1923-415 |
| Item Name | Shield,expansion |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Thread Provision | THREADED |
| Hole Accommodation Diameter | 0.750 INCHES NOMINAL IN |
| Fastener Type | NUT |
| Insert Type for Which Designed | STUD BOLT |
| Nondefinitive Spec/std Data | 2 GRADE AND 4 TYPE AND 1 CLASS |
| Surface Treatment | ZINC |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| AA1923-415 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| 101648 | 5/9 Secondary reference Tulsa Screw Products Co Inc |
| 3460 | 5/9 Secondary reference Tulsa Screw Products Co Inc |
| A-A-1923 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| FF-S-325 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-081-6449 is a Shield,expansion, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-081-6449 has 1 manufacturer part number on file: AA1923-415 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
Key specifications for AA1923-415: Thread Provision: THREADED; Hole Accommodation Diameter: 0.750 INCHES NOMINAL IN; Fastener Type: NUT; Overall Length: 6.000 INCHES NOMINAL IN. 7 specifications are 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.