The Drum-Resistance Ass, cataloged under National Stock Number 6930-00-341-3449, is classified within Federal Supply Class 6930 (Operation Training Devices) of the Training Aids and Devices group. The manufacturer of record is Instruments and Flight Research, Inc.. 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 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 | 6930-00-341-3449 |
| Primary Part Number | 604968 |
| Item Name | Drum-Resistance Ass |
| FSC / FSG | 6930 / 69 — Operation Training Devices |
| Manufacturer | Instruments and Flight Research, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | DRUM,CARD AND WIPER;DRUM SIZE NUMBER 2;3.565 IN. OD;3.062 IN. ID;1.670 IN. LG;FOUR 0.112-40 UNC MOUNTING HOLES EQUALLY SPACED ON A 3.250 IN. DIA BOLT CIRCLE;PLASTIC PHENOLIC PER MIL-P-79 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 |
|---|---|
| 604968 PRIMARY | Instruments and Flight Research, Inc. (USA) |
NSN 6930-00-341-3449 is a Drum-Resistance Ass, manufactured by Instruments and Flight Research, Inc., classified under FSC 6930, Operation Training Devices. Status: active.
NSN 6930-00-341-3449 has 1 manufacturer part number on file: 604968 (Instruments and Flight Research, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5995-00-501-8212, 6760-01-225-4494, 5340-01-240-4763. Verify interchangeability with system specifications before substitution.
Key specifications for 604968: General Characteristics Item Description: DRUM,CARD AND WIPER;DRUM SIZE NUMBER 2;3.565 IN. OD;3.062 IN. ID;1.670 IN. LG;FOUR 0.112-40 UNC MOUNTING HOLES EQUALLY SPACED ON A 3.250 IN. DIA BOLT CIRCLE;PLASTIC PHENOLIC PER MIL-P-79 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 6930-00-341-3449 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.