Part Number
Part Number:
NSN:
NIIN:
Item Name:
BACK-UP RING , PREFORMED PACKING
Definition:
A CIRCULAR SHAPED ITEM WITH AN APERTURE MANUFACTURED TO PREDETERMINED DIMENSIONS, CONSTRUCTED WITH A RECTANGULAR CROSS SECTION THAT MAY BE SOLID, WITH JOINT, OR IN A HELICAL FORM THAT FACILITATES SPIRAL WRAP INSTALLATION. IT PREVENTS SEAL EXTRUSION UNDER PRESSURE AND IS DESIGNED TO FIT ON THE DOWN-PRESSURE SIDE OF A GLAND GROOVE WITH A PACKING, PREFORMED OR O-RING.
CAGE Information
| Code | Company |
|---|---|
| 98897 | LOCKHEED MARTIN CORPORATION DBA LOCK |
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| FEAT | SPECIAL FEATURES | FOUR NOTCHES EQUALLY SPACED ON BACK AND FRONT SIDE |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.375 INCHES NOMINAL |
| ADYU | PERIPHERAL DIAMETER | 1.305 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATT | MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | SOLID |