The Holder,spring, cataloged under National Stock Number 5340-01-088-3114, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Aar Allen Services, Inc Dba Aar Component Services Wellington. Government technical data includes 3 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-088-3114 |
| Primary Part Number | 502319 |
| Item Name | Holder,spring |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Aar Allen Services, Inc Dba Aar Component Services Wellington |
| Status | ACTIVE |
| FSC Application Data | VALVE,AIR STARTING CROSSBLEED |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 502319 PRIMARY | Aar Allen Services, Inc Dba Aar Component Services Wellington (USA) |
NSN 5340-01-088-3114 is a Holder,spring, manufactured by Aar Allen Services, Inc Dba Aar Component Services Wellington, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-088-3114 has 1 manufacturer part number on file: 502319 (Aar Allen Services, Inc Dba Aar Component Services Wellington).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-267-0020. Verify interchangeability with system specifications before substitution.
Key specifications for 502319: FSC Application Data: VALVE,AIR STARTING CROSSBLEED; Special Features: OVERALL DIA 0.430 TO 0.434 IN;THICKNESS 0.085 TO 0.095 IN;INSIDE DIA 0.250 TO 0.255 IN;FLANGE THICKNESS 0.025TO 0.030;NHA 50230-7,2995010653457 IN; Surface Treatment: PASSIVATE; Material: STEEL CORROSION RESISTING. 3 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.
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.