The Seal,fail Safe, cataloged under National Stock Number 5330-00-006-0549, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-006-0549 |
| Primary Part Number | A51P60259-13 |
| Item Name | Seal,fail Safe |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | RUBBER SYNTHETIC /SILCONE/ ZZ-R-765 CLASS 3A GRADE 50,37.430 IN. OD,36.810 IN. ID A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A51P60259-13 | Kirkhill Inc Div Kirkhill Inc, Haskon Division (USA) |
| A51P60259-13 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51P60259-13 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| A51P60259-13 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51P60259-13 | 5/9 Secondary reference Kirkhill Ta Haskon Div |
NSN 5330-00-006-0549 is a Seal,fail Safe, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-006-0549 has 2 manufacturer part numbers on file: A51P60259-13 (Kirkhill Inc Div Kirkhill Inc, Haskon Division), A51P60259-13 (Northrop Grumman Systems Corporation).
Key specifications for A51P60259-13: General Characteristics Item Description: RUBBER SYNTHETIC /SILCONE/ ZZ-R-765 CLASS 3A GRADE 50,37.430 IN. OD,36.810 IN. ID 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.
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.