NSN 1670-01-725-4121 · NIIN 017254121 · Part number 175255AY-051
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · FSC 1670 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment · FSG 16 — Aircraft Components and Accessories · CAGE 05606
Government record, cited
NSN 1670-01-725-4121 — this item is cataloged by the U.S. Government under National Stock Number 1670-01-725-4121. Manufacturer of record part number: 175255AY-051.
Also searched as1670-01-725-4121 ·
1670017254121 ·
NIIN 017254121 ·
01-725-4121 ·
FSC 1670 Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment · CAGE 05606 · 175255AY-051
Nearby stock numbers← 1670-01-725-3651 Band, Elastic, Parachute Pack Open
·
1670-01-725-4586 Tie Down, Cargo, Aircraft →
Features
Fast Rope System,helicopter — FSC 1670
Length: 11.0 FEET NOMINAL FT
2 manufacturer part numbers on file
Manufacturer of record: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Identification
NSN: 1670-01-725-4121
NIIN: 017254121
FSC: 1670 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment
FSG: 16 — Aircraft Components and Accessories
Primary part number: 175255AY-051
Manufacturer: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
General Description
The Fast Rope System,helicopter, cataloged under National Stock Number 1670-01-725-4121, is classified within Federal Supply Class 1670 (Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
1670-01-725-4121
Primary Part Number
175255AY-051
Item Name
Fast Rope System,helicopter
FSC / FSG
1670 / 16 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment
Manufacturer
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Other items in FSC 1670 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
1670-00-001-5359
1670-00-001-5359 · Item name not on file
1670-00-001-5360
1670-00-001-5360 · Item name not on file
1670-00-001-5369
COVER ASSEMBLY,ACTUATOR HOUSING
1670-00-001-8395
1670-00-001-8395 · Item name not on file
1670-00-001-8396
1670-00-001-8396 · Item name not on file
1670-00-001-8397
1670-00-001-8397 · Item name not on file
1670-00-001-8398
1670-00-001-8398 · Item name not on file
1670-00-001-8399
GUARD ASSEMBLY,CON
Frequently Asked Questions
What is NSN 1670-01-725-4121?
NSN 1670-01-725-4121 is a Fast Rope System,helicopter, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
What part numbers are listed for NSN 1670-01-725-4121?
NSN 1670-01-725-4121 has 2 manufacturer part numbers on file: 175255AY-051 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems), 175255AY-051 (Fulcrum Concepts Llc).
What are the specifications of 175255AY-051?
Key specifications for 175255AY-051: Length: 11.0 FEET NOMINAL FT; Special Features: WITH 3.0, HEIGHT 6.0; End Item Identification: MELB: A/MH-6M. 1 specification is documented in the U.S. Government catalog.
Is NSN 1670-01-725-4121 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.