The Filler,preformed, cataloged under National Stock Number 4921-01-044-7797, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4921-01-044-7797 |
| Primary Part Number | 34028 |
| Item Name | Filler,preformed |
| FSC / FSG | 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division |
| Status | ACTIVE |
| General Characteristics Item Description | POLYPROPYLENE FELT HEAT SET,3.812 IN. LG,1.906 IN. W AND 0.280 IN. THK NOMINAL O/A,SHAPE SEMI CIRCLE IN |
| 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 |
|---|---|
| 34028 PRIMARY | Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division (USA) |
| 31909-501 | Ingersoll-Rand Company Dba Ingersoll-Rand (USA) |
| Reference | Meaning |
|---|---|
| 34028 | 3/9 Design control — primary reference Ingersoll-Rand Company Dba Ingersoll-Rand |
NSN 4921-01-044-7797 is a Filler,preformed, manufactured by Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4921-01-044-7797 has 2 manufacturer part numbers on file: 34028 (Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division), 31909-501 (Ingersoll-Rand Company Dba Ingersoll-Rand).
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-297-5059, 2530-01-443-8533, 4820-01-531-7663. Verify interchangeability with system specifications before substitution.
Key specifications for 34028: General Characteristics Item Description: POLYPROPYLENE FELT HEAT SET,3.812 IN. LG,1.906 IN. W AND 0.280 IN. THK NOMINAL O/A,SHAPE SEMI CIRCLE 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.
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.