The Replacement Assembly,mechanical, cataloged under National Stock Number 4320-01-415-9867, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is John Crane, Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-415-9867 |
| Primary Part Number | H-SP-26481-1 |
| Item Name | Replacement Assembly,mechanical |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | John Crane, Inc |
| Status | ACTIVE |
| Overall Diameter | 1.562 INCHES NOMINAL IN |
| General Characteristics Item Description | SEAL ASSEMBLY,SHAFT,SPRING LOADED, MATERIAL CODE XF91M015M |
| Material | NICKEL AND COPPER ALLOY AND RUBBER SYNTHETIC |
| Thread Size and Series/type Designator | 9/16-18 UNF |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P907 | Alfred Conhagen, Inc. (USA) |
| H-SP-26481-1 PRIMARY | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| P-907 | 5/9 Secondary reference John Crane, Inc |
| H-SP-26481 | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
| AA-2010-9 | C/1 Advisory reference — outside the item-of-supply concept Alfred Conhagen, Inc. |
| H-SP-26481-1TY1 | C/1 Advisory reference — outside the item-of-supply concept John Crane, Inc |
NSN 4320-01-415-9867 is a Replacement Assembly,mechanical, manufactured by John Crane, Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-415-9867 has 2 manufacturer part numbers on file: P907 (Alfred Conhagen, Inc.), H-SP-26481-1 (John Crane, Inc).
1 possible match (shared part number, not a government interchangeability claim): 2510-01-643-0888. Verify interchangeability with system specifications before substitution.
Key specifications for H-SP-26481-1: Overall Diameter: 1.562 INCHES NOMINAL IN; General Characteristics Item Description: SEAL ASSEMBLY,SHAFT,SPRING LOADED, MATERIAL CODE XF91M015M; Overall Length: 2.500 INCHES NOMINAL IN; Special Features: CONSISTS OF THE FOLLOWING COMPONENTS: P/N D10006809208 MATING RING(TUNG.CARB.) 1; P/N 0002209549 O-RING (VITON OR EQ.) 1; P/N D10000499091 PRIMARY RING (CARBON) 1; P/N D10003305850 BELLOWS (VITON OR EQ.) 1; P/N D1000261800 RETAINER (MONEL) 1; P/N 1662 SPRING (MONEL) 1; P/N D10000211800 DICS (MONEL) 1; P/N D10001391800 DRIVE BAND (MONEL) 1; P/N D10000361800 SPRING HOLDER (MONEL) 1; P/N 00002249549 O-RING (VITON OR EQ.) 1; P/N H10001881663 GLAND (BRONZE) 1; P/N H10001891663 AUX GLAND (BRONZE) 1; P/N 222520080000550 CAP SCREW (316 S.S.) 2; P/N 10001250012 7774 PACKING (1625GF) 21. 4 specifications are 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.
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.