The Guide,spring, cataloged under National Stock Number 1680-01-057-1076, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Parker-Hannifin Corporation. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-057-1076 |
| Primary Part Number | 72442 |
| Item Name | Guide,spring |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Parker-Hannifin Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,CLASS 440C COND A QQ-S-763,PASSIVATE TYPE 5 QQ-P-35,HARDNESS RC 56-60,0.300 IN. LG,0.295 IN. DIA,0.150 IN. DIA COUNTERSINK 0.010 IN. MIN 0.015 IN. MAX RADIUS 1ST END,0.131 IN. MIN 0.134 IN. MAX DIA 2ND END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 72442 PRIMARY | Parker-Hannifin Corporation (USA) |
| Reference | Meaning |
|---|---|
| 72442 | 5/9 Secondary reference U.S. Government activity |
| 72442 | 5/1 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
NSN 1680-01-057-1076 is a Guide,spring, manufactured by Parker-Hannifin Corporation, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-057-1076 has 1 manufacturer part number on file: 72442 (Parker-Hannifin Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 6240-01-524-4088, 5305-01-550-0268, 1560-01-645-2171. Verify interchangeability with system specifications before substitution.
Key specifications for 72442: General Characteristics Item Description: CRES,CLASS 440C COND A QQ-S-763,PASSIVATE TYPE 5 QQ-P-35,HARDNESS RC 56-60,0.300 IN. LG,0.295 IN. DIA,0.150 IN. DIA COUNTERSINK 0.010 IN. MIN 0.015 IN. MAX RADIUS 1ST END,0.131 IN. MIN 0.134 IN. MAX DIA 2ND END IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1680-01-057-1076 has DEMIL Code B. 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.