The Poppet,brake Valve, cataloged under National Stock Number 1630-00-688-8401, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-688-8401 |
| Primary Part Number | 3056713-1 |
| Item Name | Poppet,brake Valve |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| General Characteristics Item Description | CRES QQ-S-763 CL 440C COND A,1.333 IN. LG,0.518 IN. O/A DIA,0.138-32 UNC 2B THD BY 0.108 IN. DP 1ST END,0.287 IN. DIA BY 1.02 IN. DPBORE 2ND END,0.301 IN. DIA BY 0.077 IN. DP COUNTERBORE 2ND END,0.518 IN. OD BY 60 DEG SEAT LOCATED 0.761 IN. FROM 2ND END IN |
| Reference Data and Literature | T.O.4BA4-82-3, FIG 5, INDEX 44 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3056713-1 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 3056713-1 | C/1 Advisory reference — outside the item-of-supply concept Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) |
| 3056713-1 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 1630-00-688-8401 is a Poppet,brake Valve, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-688-8401 has 1 manufacturer part number on file: 3056713-1 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 3056713-1: General Characteristics Item Description: CRES QQ-S-763 CL 440C COND A,1.333 IN. LG,0.518 IN. O/A DIA,0.138-32 UNC 2B THD BY 0.108 IN. DP 1ST END,0.287 IN. DIA BY 1.02 IN. DPBORE 2ND END,0.301 IN. DIA BY 0.077 IN. DP COUNTERBORE 2ND END,0.518 IN. OD BY 60 DEG SEAT LOCATED 0.761 IN. FROM 2ND END IN; Reference Data and Literature: T.O.4BA4-82-3, FIG 5, INDEX 44. 2 specifications are 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.
NSN 1630-00-688-8401 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.