The Shaft, cataloged under National Stock Number 4940-01-178-6604, is classified within Federal Supply Class 4940 (Miscellaneous Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Pal-Vin Machine Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4940-01-178-6604 |
| Primary Part Number | H-277 |
| Item Name | Shaft |
| FSC / FSG | 4940 / 49 — Miscellaneous Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Pal-Vin Machine Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| H-277 PRIMARY | Pal-Vin Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| H-277 | 5/9 Secondary reference Wyle Laboratories Morris Radial Drill Div |
NSN 4940-01-178-6604 is a Shaft, manufactured by Pal-Vin Machine Inc, classified under FSC 4940, Miscellaneous Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4940-01-178-6604 has 1 manufacturer part number on file: H-277 (Pal-Vin Machine Inc).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-595-9029. Verify interchangeability with system specifications before substitution.
Key specifications for H-277: End Item Identification: MORRIS 11 INCH MOR-SPEED RADIAL DRILL; SERIAL NO. A1194 IN. 0 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.