The Collar,shaft, cataloged under National Stock Number 3040-01-186-8130, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Pal-Vin Machine Inc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-186-8130 |
| Primary Part Number | A-177 |
| Item Name | Collar,shaft |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Pal-Vin Machine Inc |
| Status | ACTIVE |
| Outside Diameter | 2.250 INCHES NOMINAL IN |
| Securing Hole Quantity | 1 |
| Material | STEEL |
| 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 |
|---|---|
| A-177 PRIMARY | Pal-Vin Machine Inc (USA) |
| Reference | Meaning |
|---|---|
| A-177 | C/1 Advisory reference — outside the item-of-supply concept Morris Radial Drill Co Inc |
| A-177 | 5/9 Secondary reference Wyle Laboratories Morris Radial Drill Div |
NSN 3040-01-186-8130 is a Collar,shaft, manufactured by Pal-Vin Machine Inc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-186-8130 has 1 manufacturer part number on file: A-177 (Pal-Vin Machine Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5355-01-237-3796, 8455-01-528-7598, 8455-01-647-6421. Verify interchangeability with system specifications before substitution.
Key specifications for A-177: Overall Length: 2.125 INCHES NOMINAL IN; Outside Diameter: 2.250 INCHES NOMINAL IN; Securing Hole Quantity: 1; Material: STEEL. 3 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.