The Retainer,spring Tension, cataloged under National Stock Number 2915-00-780-2152, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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.
| Parameter | Value |
|---|---|
| NSN | 2915-00-780-2152 |
| Primary Part Number | 553156 |
| Item Name | Retainer,spring Tension |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,QQ-S-763 CLASS 440C,HARDNESS 560-653 VH,0.160 IN. O/A H,0.210 IN. MIN,0.215 IN. MAX FIRST STEP DIA,0.380 IN. SECOND STEP DIA 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 |
|---|---|
| 553156 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 2915-00-780-2152 is a Retainer,spring Tension, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-00-780-2152 has 1 manufacturer part number on file: 553156 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-027-4966. Verify interchangeability with system specifications before substitution.
Key specifications for 553156: General Characteristics Item Description: CRES,QQ-S-763 CLASS 440C,HARDNESS 560-653 VH,0.160 IN. O/A H,0.210 IN. MIN,0.215 IN. MAX FIRST STEP DIA,0.380 IN. SECOND STEP DIA 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 2915-00-780-2152 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.