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 |
|---|---|---|
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS3651 ASSN STD SINGLE MATERIAL RESPONSE |
| ADYU | PERIPHERAL DIAMETER | 2.495 INCHES MINIMUM AND 2.497 INCHES MAXIMUM |
| ADVN | CROSS-SECTIONAL HEIGHT | 0.050 INCHES MINIMUM AND 0.058 INCHES MAXIMUM |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | SINGLE TURN SPIRAL |
| MATT | MATERIAL | PLASTIC POLYTRIFLUOROETHYLENE |
| ADYT | CENTER HOLE DIAMETER | 2.375 INCHES NOMINAL |