SPACER,RING
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$22.00
Weighted average
$21.64
Weighted by quantity
Observed range
$21.60–$22.40
Coverage
2 awards
Apr 28, 2001 – Aug 16, 2016
Average: $22.00 · Weighted avg: $21.64 · Range: $21.60–$22.40 · Based on 2 awards, Apr 28, 2001–Aug 16, 2016.
Trend chart needs at least 4 priced awards in this window (2 available).
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
2 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.
Also MCRL-listed · PN 515400-12
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| FSC APPLICATION DATA | PROPELLER,AIRCRAFT,VARIABLE PITCH |
| HARDNESS RATING | ROCKWELL SUPERFICIAL 30-T MINIMUM 56.0 AND ROCKWELL SUPERFICIAL 30-T MAXIMUM 68.0 |
| INSIDE DIAMETER | INCHES NOMINAL 5.34 |
| MATERIAL | COPPER ALLOY 260 |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE A-S4507 |
| OUTSIDE DIAMETER | INCHES MINIMUM 6.120 AND INCHES MAXIMUM 6.130 |
| OVERALL THICKNESS | INCHES NOMINAL 0.012 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SHIM-SEGMENT GEAR |
| PROPRIETARY CHARACTERISTICS | PACS |
Open buys
DIBBS · quotes by Sep 30, 2026 · UNRESTRICTED
DIBBS · quotes by Sep 30, 2026 · UNRESTRICTED