The Ring,wearing, cataloged under National Stock Number 4320-01-439-3340, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Shinko Ind. Ltd. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-439-3340 |
| Primary Part Number | C-125100MA PIECE 38A |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Shinko Ind. Ltd |
| Status | ACTIVE |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| C-125100MA PIECE 38A | Shinko Ind. Ltd (JPN) |
| Reference | Meaning |
|---|---|
| C-125100MA PIECE 38A | 5/9 Secondary reference Fuji Trading (america) Inc. |
| C-125100MA PIECE 38A | 3/9 Design control — primary reference Fuji Trading America Inc |
| C-125100MA | D/9 Drawing number reference only Shinko Ind. Ltd |
| C-125100MA PIECE 38A | 5/9 Secondary reference Shinko Ind. Ltd |
NSN 4320-01-439-3340 is a Ring,wearing, manufactured by Shinko Ind. Ltd, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-439-3340 has 1 manufacturer part number on file: C-125100MA PIECE 38A (Shinko Ind. Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-439-3344, 4320-01-439-3350, 4320-01-439-3353. Verify interchangeability with system specifications before substitution.
Key specifications for C-125100MA PIECE 38A: End Item Identification: PUMP, CENTRIFUGAL, SHINKO IND., MODEL SVA125; STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: COPPER ALLOY. 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.
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.