The Cap,valve,brake, cataloged under National Stock Number 1630-00-509-7526, is classified within Federal Supply Class 1630 (Aircraft Wheel and Brake Systems) of the Aircraft Components and Accessories group. The manufacturer of record is Mid-America Aerotech, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1630-00-509-7526 |
| Primary Part Number | 11326 |
| Item Name | Cap,valve,brake |
| FSC / FSG | 1630 / 16 — Aircraft Wheel and Brake Systems |
| Manufacturer | Mid-America Aerotech, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY QQ-A-351,ANODIZE QQ-A-696,3.060 IN. O/A LG,1.14 IN.OD BY 1.685 IN. LG 1ST END,1.1875-12 UN 3A THD BY 1.181 IN. LG 2ND END,1.375 IN. ACROSS FLATS BY 0.194 IN. LG HEX. FLANGE 1.181 IN. FROM 2ND END,0.438 IN. ID,0.750-16 UNF 3B THD 0.594 IN. DP 1ST END,0.75 IN. DIA BY2.075 IN. DP COUNTERBORE 2ND END A |
| 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 |
|---|---|
| 11326 | Mid-America Aerotech, Llc (USA) |
| Reference | Meaning |
|---|---|
| 11326 | 3/9 Design control — primary reference U.S. Government activity |
| 11326 | 5/9 Secondary reference E-Systems Inc Montek Div Fluid Controls Opns |
| 11326 | 5/9 Secondary reference Moog Inc Div Moog Inc., Space and Defense - Salt Lake City |
NSN 1630-00-509-7526 is a Cap,valve,brake, manufactured by Mid-America Aerotech, Llc, classified under FSC 1630, Aircraft Wheel and Brake Systems. Status: active.
NSN 1630-00-509-7526 has 1 manufacturer part number on file: 11326 (Mid-America Aerotech, Llc).
5 possible matches (shared part number, not a government interchangeability claim): 4820-00-654-7428, 2840-01-087-1684, 4920-01-296-4961. Verify interchangeability with system specifications before substitution.
Key specifications for 11326: General Characteristics Item Description: ALUMINUM ALLOY QQ-A-351,ANODIZE QQ-A-696,3.060 IN. O/A LG,1.14 IN.OD BY 1.685 IN. LG 1ST END,1.1875-12 UN 3A THD BY 1.181 IN. LG 2ND END,1.375 IN. ACROSS FLATS BY 0.194 IN. LG HEX. FLANGE 1.181 IN. FROM 2ND END,0.438 IN. ID,0.750-16 UNF 3B THD 0.594 IN. DP 1ST END,0.75 IN. DIA BY2.075 IN. DP COUNTERBORE 2ND END A. 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.
NSN 1630-00-509-7526 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.