The Tester,pressurized Container Lea, cataloged under National Stock Number 6685-00-021-5043, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-00-021-5043 |
| Primary Part Number | 6-76039-1 |
| Item Name | Tester,pressurized Container Lea |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| Status | ACTIVE |
| Functional Description | USED FOR THE PRESSURE TESTING OF F5 ACFT POD |
| 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 |
|---|---|
| 6-76039-1 PRIMARY | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA) |
| Reference | Meaning |
|---|---|
| 6-76039-1 | 5/9 Secondary reference Smith Douglas W Jr |
| 6-76039-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 6-76039-1 | 5/9 Secondary reference Ball a C Co |
NSN 6685-00-021-5043 is a Tester,pressurized Container Lea, manufactured by Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-021-5043 has 1 manufacturer part number on file: 6-76039-1 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector).
1 possible match (shared part number, not a government interchangeability claim): 5306-00-737-4347. Verify interchangeability with system specifications before substitution.
Key specifications for 6-76039-1: Special Features: ITEM CONSISTS OF 2 PRESSURE GAGES AND VARIOUS ADAPTERS ALL ENCLOSED IN A CARRYING CASE; THE 2 GAGES ARE MARSHALLTOWN (CAGE 72100) GAGES, TYPE 23, RGID STEM, 2.5 INCH DIAL, 30 PSI SCALE,, 1/4 INCH NPT RIGID STEM BOTTOM CONNECTION; CASE INTERIOR LINED WITH CUSHION FOR PROTECTION OF GAGES IN; Functional Description: USED FOR THE PRESSURE TESTING OF F5 ACFT POD; Part Name Assigned by Controlling Agency: GAGE SET PRESSURE,DIAL INDICATING. 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 6685-00-021-5043 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.