The Fitting, cataloged under National Stock Number 1560-01-283-0551, is classified within Federal Supply Class 1560 (Airframe Structural Components) of the Aircraft and Airframe Components group. The manufacturer of record is American Precision Components, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1560-01-283-0551 |
| Primary Part Number | A51B97502-401 |
| Item Name | Fitting |
| FSC / FSG | 1560 / 15 — Airframe Structural Components |
| Manufacturer | American Precision Components, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,GM2105-4,ALLOY 2024-T852,GRUMMAN AEROSPACE CORP.,CAGEC 26512; ANODIZE,MIL-A-8625,TY 2,CL 1; 4.374 IN. LG; FOUR HOLES 0.190 IN. MIN AND 0.192 IN. MAX DIA; 3.125 IN. NOM C TO C DIST BTWN HOLES ALONG LG IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51B97502-401 | American Precision Components, Inc (USA) |
| Reference | Meaning |
|---|---|
| A51B97502-401 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51B97502-401 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51B97502-401 | 5/2 Secondary reference U.S. Government activity |
| A51B97502-401 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 1560-01-283-0551 is a Fitting, manufactured by American Precision Components, Inc, classified under FSC 1560, Airframe Structural Components. Status: active.
NSN 1560-01-283-0551 has 1 manufacturer part number on file: A51B97502-401 (American Precision Components, Inc).
Key specifications for A51B97502-401: General Characteristics Item Description: ALUMINUM ALLOY,GM2105-4,ALLOY 2024-T852,GRUMMAN AEROSPACE CORP.,CAGEC 26512; ANODIZE,MIL-A-8625,TY 2,CL 1; 4.374 IN. LG; FOUR HOLES 0.190 IN. MIN AND 0.192 IN. MAX DIA; 3.125 IN. NOM C TO C DIST BTWN HOLES ALONG LG 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.
NSN 1560-01-283-0551 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.