NUT,SELF-LOCKING,ROUND
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$101.15
Weighted average
$45.47
Weighted by quantity
Observed range
$22.60–$221
Coverage
11 awards
Mar 20, 1998 – Jan 10, 2025
Average: $101.15 · Weighted avg: $45.47 · Range: $22.60–$221.08 · Based on 11 awards, Mar 20, 1998–Jan 10, 2025.
Unit cost by award date · 11 priced lines
DIBBS award history
Distinct award lines for this NSN (deduped). Line total is unit cost × quantity.
11 distinct award lines
| Date | Manufacturer | Qty × unit | Total | Contract |
|---|---|---|---|---|
| Jan 10, 2025 | 4BJ65ECI DEFENSE GROUP, INC.LAWRENCEVILLE, GASAM | 11 × $221.08 | $2,432 | SPE4A625V6766 |
| Sep 19, 2024 | 4BJ65ECI DEFENSE GROUP, INC.LAWRENCEVILLE, GASAM | 105 × $187.81 | $19,720 | SPE4A624V504B |
| Aug 7, 2024 | 4BJ65ECI DEFENSE GROUP, INC.LAWRENCEVILLE, GASAM | 9 × $218.34 | $1,965 | SPE4A624V393B |
| Jun 6, 2023 | 4BJ65ECI DEFENSE GROUP, INC.LAWRENCEVILLE, GASAM | 277 × $164.04 | $45,439 | SPE4A623PQ589 |
| Mar 27, 2020 | 72429MISSION SYSTEMS DAVENPORT INC.DAVENPORT, IASAM | 1,000 × $57.06 | $57,060 | SPE5E820V4364 |
| Sep 10, 2019 | 72429MISSION SYSTEMS DAVENPORT INC.DAVENPORT, IASAM | 253 × $52.75 | $13,346 | SPE5E819V9212 |
| Jan 24, 2018 | 72429MISSION SYSTEMS DAVENPORT INC.DAVENPORT, IASAM | 290 × $49.73 | $14,422 | SPE5E818V2965 |
| Apr 24, 2017 | 72429MISSION SYSTEMS DAVENPORT INC.DAVENPORT, IASAM | 285 × $49.32 | $14,056 | SPE5E817V5386 |
| Dec 2, 2009 | 4N727INTEGRAL AEROSPACE, LLCSANTA ANA, CASAM | 2,346 × $22.60 | $53,020 | SPM5A810M0192 |
| Aug 24, 2008 | 4N727INTEGRAL AEROSPACE, LLCSANTA ANA, CASAM | 676 × $23.50 | $15,886 | SPM5A408M3072 |
| Mar 20, 1998 | 7Z016KAMPI COMPONENTS CO INCFAIRLESS HILLS, PASAM | 70 × $66.37 | $4,646 | SP054098MK169 |
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 309C018-1
Also MCRL-listed · PN 309C018-1
Approved manufacturers
Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.
PN 309C018-1
PN 309C018-1
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| DRIVE POINT DIAMETER | INCHES NOMINAL 0.218 |
| DRIVE POINT QUANTITY | 2 |
| LOCKING FEATURE | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| MATERIAL | LOCKING INSERT PLASTIC POLYAMIDE NYLON |
| MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT INSERT FED SPEC SINGLE MATERIAL RESPONSE QQ-A-225 TO 6,T4 OR T42,OR T351 |
| NOMINAL THREAD SIZE | INCHES 1.000 |
| NUT DIAMETER | INCHES NOMINAL 1.950 |
| NUT THICKNESS | INCHES NOMINAL 0.220 |
| PROPRIETARY CHARACTERISTICS | PACS |
| SURFACE TREATMENT | OVERALL EXCEPT INSERT CHROMATE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL EXCEPT INSERT MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-5541 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES | UNEF |
Open buys
DIBBS · quotes by Sep 25, 2026 · TOTAL SMALL BUSINESS