The Energy Absorber, cataloged under National Stock Number 4240-01-699-4411, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Safe Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-699-4411 |
| Primary Part Number | 4166AS0571-04 |
| Item Name | Energy Absorber |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Safe Inc |
| Status | ACTIVE |
| User Designator | AIRCRAFT CREWMAN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 10280011-02 | Safe Inc (USA) |
| 4166AS0571-04 PRIMARY | Safe Inc (USA) |
| Reference | Meaning |
|---|---|
| 4166AS0571 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4240-01-699-4411 is a Energy Absorber, manufactured by Safe Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-699-4411 has 2 manufacturer part numbers on file: 10280011-02 (Safe Inc), 4166AS0571-04 (Safe Inc).
Key specifications for 4166AS0571-04: Special Features: ENERGY ABSORBER SYSTEM KIT; Part Name Assigned by Controlling Agency: EA CARTRIDGE ASSEMBLY, RHS; End Item Identification: MH-60S; User Designator: AIRCRAFT CREWMAN. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.