The Reel,shoulder Harness,inertia Lo, cataloged under National Stock Number 1680-00-724-0136, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Nell-Joy Industries, Inc.. Government technical data includes 9 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. 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 | 1680-00-724-0136 |
| Primary Part Number | 3815-37 |
| Item Name | Reel,shoulder Harness,inertia Lo |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Nell-Joy Industries, Inc. |
| Status | ACTIVE |
| Electrically Operated Control | NOT INCLUDED |
| Manual Lock Control Type | ASSEMBLY |
| Mounting Hole Quantity | 4 |
| Reel Type | UNIDIRECTIONAL |
| Mounting Hole Diameter | 0.219 INCHES MINIMUM AND 0.233 INCHES MAXIMUM IN |
| Shoulder Harness Attachment | INCLUDED |
| Shoulder Harness Attachment Type for Which Designed | WEBBING |
| Reel Location | RIGHT HAND |
| Shoulder Harness Attachment Extended Length | 25.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 3815-37 PRIMARY | Nell-Joy Industries, Inc. (USA) |
NSN 1680-00-724-0136 is a Reel,shoulder Harness,inertia Lo, manufactured by Nell-Joy Industries, Inc., classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-00-724-0136 has 1 manufacturer part number on file: 3815-37 (Nell-Joy Industries, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6240-00-952-1906. Verify interchangeability with system specifications before substitution.
Key specifications for 3815-37: Electrically Operated Control: NOT INCLUDED; Manual Lock Control Type: ASSEMBLY; Mounting Hole Quantity: 4; Overall Height: 2.375 INCHES NOMINAL IN. 9 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.
NSN 1680-00-724-0136 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.