The Elbow,pump, cataloged under National Stock Number 4730-00-738-8971, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Crain Enterprises Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-738-8971 |
| Primary Part Number | 413661 |
| Item Name | Elbow,pump |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Crain Enterprises Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM AMS 4127; 3.522 IN. LG; 2.124 IN. W; HEAD 0.552 IN. MIN 0.572 IN. MAX DIA; CHAMFER 90 DEGREES TO 0.635 IN. DIA IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 413661 PRIMARY | Crain Enterprises Inc (USA) |
| 413661 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 413661 PRIMARY | A I M Precision Machining Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 413661 | 3/2 Design control — primary reference U.S. Government activity |
| 413661 | 5/9 Secondary reference Pacific Engineering and Mfg Co |
| 413661 | 5/9 Secondary reference Radiation Research Corp |
NSN 4730-00-738-8971 is a Elbow,pump, manufactured by Crain Enterprises Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-738-8971 has 3 manufacturer part numbers on file: 413661 (Crain Enterprises Inc), 413661 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 413661 (A I M Precision Machining Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5365-01-299-8304, 5920-01-519-2712. Verify interchangeability with system specifications before substitution.
Key specifications for 413661: General Characteristics Item Description: ALUMINUM AMS 4127; 3.522 IN. LG; 2.124 IN. W; HEAD 0.552 IN. MIN 0.572 IN. MAX DIA; CHAMFER 90 DEGREES TO 0.635 IN. DIA IN; End Item Identification: PRATT & WHITNEY J52 ENGINE. 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 4730-00-738-8971 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.