The Sealing Flange,upper Section, cataloged under National Stock Number 8145-01-355-8476, is classified within Federal Supply Class 8145 (Specialized Shipping and Storage Containers) of the Containers, Packaging, and Packing Supplies group. The manufacturer of record is Container Research Corp Dba Container Research Corp Div Containr Research Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 8145-01-355-8476 |
| Primary Part Number | STD-268-1 |
| Item Name | Sealing Flange,upper Section |
| FSC / FSG | 8145 / 81 — Specialized Shipping and Storage Containers |
| Manufacturer | Container Research Corp Dba Container Research Corp Div Containr Research Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY,6063.752; HAS TUBULAR RUBBER GASKET THAT FITS OVER LOWER SEALING FLANGE,TOGETHER THEY FORM WEATHER AND PRESSURE SEAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| STD-268-1 PRIMARY | Container Research Corp Dba Container Research Corp Div Containr Research Corporation (USA) |
| Reference | Meaning |
|---|---|
| STD-268 | 5/1 Secondary reference Container Research Corp Dba Container Research Corp Div Containr Research Corporation |
NSN 8145-01-355-8476 is a Sealing Flange,upper Section, manufactured by Container Research Corp Dba Container Research Corp Div Containr Research Corporation, classified under FSC 8145, Specialized Shipping and Storage Containers. Status: active.
NSN 8145-01-355-8476 has 1 manufacturer part number on file: STD-268-1 (Container Research Corp Dba Container Research Corp Div Containr Research Corporation).
1 possible match (shared part number, not a government interchangeability claim): 8145-01-355-8477. Verify interchangeability with system specifications before substitution.
Key specifications for STD-268-1: General Characteristics Item Description: ALUMINUM ALLOY,6063.752; HAS TUBULAR RUBBER GASKET THAT FITS OVER LOWER SEALING FLANGE,TOGETHER THEY FORM WEATHER AND PRESSURE SEAL; Special Features: USED WITH CONTAINER PART NUMBERS 379E001 (MAIN GEAR BOX,SH60B),380E001 MAIN ROTOR HEAD,6A60B),412E001 (MAIN GEAR BOX,CH53) AND 420E001 (MAIN ROTOR HEAD,CH53); End Item Identification: HELICOPTER,SEAL STALLION,CH-53 3A/D/E A. 1 specification is 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.
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.