BEARING,PLAIN,SELF-ALIGNING
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$68.85
Weighted average
$67.57
Weighted by quantity
Observed range
$59.99–$73.89
Coverage
3 awards
Nov 4, 1996 – Mar 29, 2018
Average: $68.85 · Weighted avg: $67.57 · Range: $59.99–$73.89 · Based on 3 awards, Nov 4, 1996–Mar 29, 2018.
Trend chart needs at least 4 priced awards in this window (3 available).
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
3 distinct award lines
Manufacturers who have won this NSN
Distinct CAGEs with a confirmed DIBBS award line for this part — each opens the manufacturer page.
Approved manufacturers
Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.
PN AS21155, AS8976, MS21155S10
PN AS21155, AS8976, MS21155S10
PN MS21155, MS21155S10
PN 10434278
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| BORE DIAMETER | INCHES MINIMUM 0.6245 AND INCHES MAXIMUM 0.6250 |
| HARDNESS RATING | INNER MEMBER ROCKWELL C MINIMUM 56.0 |
| INNER MEMBER WIDTH | INCHES MINIMUM 0.6230 AND INCHES MAXIMUM 0.6250 |
| LUBRICATION FEATURE | OUTER RACE MEMBER GROOVE AND PERFORATION |
| MATERIAL | OUTER RACE MEMBER STEEL COMP E4340 OR STEEL COMP 4130 OR STEEL COMP 8630 |
| MATERIAL DOCUMENT AND CLASSIFICATION | INNER MEMBER ASSN STD SINGLE MATERIAL RESPONSE A-S 5630 |
| OUTER MEMBER OUTSIDE DIAMETER | INCHES MINIMUM 1.1870 AND INCHES MAXIMUM 1.1875 |
| OUTER MEMBER WIDTH | INCHES MINIMUM 0.4950 AND INCHES MAXIMUM 0.5050 |
| SPECIAL FEATURES | PLATING OF INNER RACE MEMBER TO BE 0.0002 IN. MIN THICK ON SPHERICAL SURFACES,0.0005 IN. THICK ON FACES |
| STATIC RADIAL LOAD RATING | POUNDS 31950 |
| SURFACE TREATMENT | INNER MEMBER CHROMIUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | INNER MEMBER FED SPEC SINGLE TREATMENT RESPONSE QQ-C-320,CL 2 |
Open buys
DIBBS · quotes by Sep 28, 2026 · UNRESTRICTED