SHAFT,SHOULDERED
Price to win
From deduped DIBBS award lines (unit cost × quantity). Not a bid recommendation — observed history only.
Average unit cost
$1,051.79
Weighted average
$856.01
Weighted by quantity
Observed range
$500–$1,662
Coverage
4 awards
Apr 16, 1998 – Nov 4, 2025
Average: $1,051.79 · Weighted avg: $856.01 · Range: $500.00–$1,662.16 · Based on 4 awards, Apr 16, 1998–Nov 4, 2025.
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 |
|---|---|---|---|---|
| Nov 4, 2025 | 30828KROBACH MFG. CORP.HAYWARD, CASAM | 1 × $1,250.00 | $1,250 | SPE7L326P0767 |
| Nov 16, 2013 | 30828KROBACH MFG. CORP.HAYWARD, CASAM | 8 × $795.00 | $6,360 | SPE7L314V0678 |
| Aug 13, 2013 | 4K539POLYTECH DEFENSE SPARES LLCMOUNT LAUREL, NJSAM | 1 × $1,662.16 | $1,662 | SPM7M013M4520 |
| Apr 16, 1998 | 4K539POLYTECH DEFENSE SPARES LLCMOUNT LAUREL, NJSAM | 2 × $500.00 | $1,000 | SP076098M9316 |
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 2527738
Characteristics
FLIS item characteristics from PUB LOG identification.
| Characteristic | Value |
|---|---|
| END ITEM IDENTIFICATION | GUN, 5 IN./54CAL,MK-42 AND 45 |
| END SIMILARITY | NOT IDENTICAL |
| FIRST END DIAMETER | INCHES NOMINAL 0.7500 |
| LARGEST STEP DIAMETER | INCHES NOMINAL 1.4368 |
| MATERIAL | NICKEL ALLOY |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED SPEC SINGLE MATERIAL RESPONSE QQ-N-286 |
| OVERALL LENGTH | INCHES NOMINAL 11.2500 |
| SECOND END DIAMETER | INCHES NOMINAL 0.6240 |
| SECOND END INTERNAL THREAD LENGTH | INCHES NOMINAL 0.7500 |
| STEP QUANTITY | 4 |
| SURFACE FINISH | MICROINCHES 16.0 |
Open buys
DIBBS · quotes by Sep 21, 2026 · UNRESTRICTED