PLUG,PROTECTIVE,DUST AND MOISTUR
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$5.68
Weighted average
$5.61
Weighted by quantity
Observed range
$4.75–$7.10
Coverage
4 awards
May 8, 1999 – Feb 8, 2024
Average: $5.68 · Weighted avg: $5.61 · Range: $4.75–$7.10 · Based on 4 awards, May 8, 1999–Feb 8, 2024.
Unit cost by award date · 4 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
4 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Feb 8, 2024 | 55345ALAMO AIRCRAFT, LTD.SAN ANTONIO, TXSAM | 64 × $5.95 | $381 | SPE7L124P3382 |
| Mar 13, 2018 | 55345ALAMO AIRCRAFT, LTD.SAN ANTONIO, TXSAM | 51 × $4.75 | $242 | SPE5E818P1731 |
| Feb 15, 2008 | 3L549O K TOOL & DIE CO INCWILLIAMSTOWN, NJSAM | 249 × $4.93 | $1,228 | SPM5L308V0784 |
| May 8, 1999 | 3L549O K TOOL & DIE CO INCWILLIAMSTOWN, NJSAM | 128 × $7.10 | $909 | SP056099MR638 |
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 4F21431-101A
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| DESIGN TYPE | FRICTION |
| FEATURES PROVIDED | SHOULDER |
| MATERIAL | PLASTIC |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE MATERIAL RESPONSE L--390, TYE 1 |
| OPENING INSIDE DIAMETER FOR WHICH DESIGNED | INCHES NOMINAL 1.334 |
| OVERALL DIAMETER | INCHES NOMINAL 1.500 |
Open buys
DIBBS · quotes by Oct 5, 2026 · UNRESTRICTED