The Chain,dog, cataloged under National Stock Number 3770-00-150-7181, is classified within Federal Supply Class 3770 (Saddlery, Harness, Whips, and Related Animal Furnishings) of the Agricultural Machinery and Equipment group. The manufacturer of record is Ray Allen Manufacturing Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3770-00-150-7181 |
| Primary Part Number | 57-99-72 |
| Item Name | Chain,dog |
| FSC / FSG | 3770 / 37 — Saddlery, Harness, Whips, and Related Animal Furnishings |
| Manufacturer | Ray Allen Manufacturing Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 RING,2 CHAINS,2 SWIVEL CONNECTIONS; STEEL O/A,GOLD ANODIZED 6 FT LG O/A,1ST END W/RING,2.500 IN. OD,2.000 IN. ID; 2ND END,SPRING FASTENER; CENTER SECTION,SWIVEL CONNECTION 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 |
|---|---|
| 57-99-72 PRIMARY | Ray Allen Manufacturing Llc (USA) |
| Reference | Meaning |
|---|---|
| MIL-C-1453 | 4/1 Identification reference U.S. Government activity |
| RHA57-99-72 | 3/9 Design control — primary reference Ray Allen Manufacturing Llc |
NSN 3770-00-150-7181 is a Chain,dog, manufactured by Ray Allen Manufacturing Llc, classified under FSC 3770, Saddlery, Harness, Whips, and Related Animal Furnishings. Status: active.
NSN 3770-00-150-7181 has 1 manufacturer part number on file: 57-99-72 (Ray Allen Manufacturing Llc).
1 possible match (shared part number, not a government interchangeability claim): 3770-00-162-6207. Verify interchangeability with system specifications before substitution.
Key specifications for 57-99-72: General Characteristics Item Description: CONSISTS OF 1 RING,2 CHAINS,2 SWIVEL CONNECTIONS; STEEL O/A,GOLD ANODIZED 6 FT LG O/A,1ST END W/RING,2.500 IN. OD,2.000 IN. ID; 2ND END,SPRING FASTENER; CENTER SECTION,SWIVEL CONNECTION 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.