NUT,TUBE COUPLING
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$63.80
Weighted average
$3.61
Weighted by quantity
Observed range
$2.59–$125
Coverage
2 awards
Nov 12, 1976 – Feb 19, 2016
Average: $63.80 · Weighted avg: $3.61 · Range: $2.59–$125.00 · Based on 2 awards, Nov 12, 1976–Feb 19, 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 MS21921-12S
Approved manufacturers
Qualified to supply per MCRL — no confirmed DIBBS award on record for this NSN. Each CAGE opens the manufacturer page.
PN MS21921-12S
PN AS18280, MS21921-12R, MS21921-12S, SAE-AS18280
PN MS21921-12S
PN MS21921-12S
PN MS21921-12S
PN AS18280, MS21921-12S
PN MIL-F-18280
PN MS21921-12S
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| LENGTH TO SHOULDER | INCHES MINIMUM 0.677 AND INCHES MAXIMUM 0.697 |
| MATERIAL | OVERALL STEEL CORROSION RESISTING |
| NOMINAL THREAD SIZE | INCHES 1.062 |
| NOMINAL TUBE OUTSIDE DIAMETER | INCHES 0.750 |
| NUT HEIGHT | INCHES MINIMUM 0.990 AND INCHES MAXIMUM 1.010 |
| SEAT ANGLE | DEGREES NOMINAL 45.00 |
| SMALLEST INSIDE DIAMETER | INCHES MINIMUM 0.826 AND INCHES MAXIMUM 0.831 |
| SPECIFICATION/STANDARD DATA | GOVERNMENT STANDARD 96906--S21921 |
| SURFACE TREATMENT | OVERALL PASSIVATE AND DICHROMATE |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 12 |
| THREAD SERIES | UN |
| WIDTH ACROSS FLATS | INCHES NOMINAL 1.250 |
Open buys
DIBBS · quotes by Sep 28, 2026 · UNRESTRICTED