About this opportunity
AI summaryThe government intends to solicit and award a firm-fixed-price contract for mechanical transmission stepover gearbox assemblies supporting the B-1 aircraft. The requirement covers a minimum of 12, a best estimate of 48, and a maximum of 72 aluminum units to redirect torque tube mechanical force, with delivery required by February 29, 2028. All responsible sources may submit proposals, though the government does not own the manufacturing data and notes foreign-owned firms must contact officials regarding eligibility restrictions. While the estimated solicitation window runs from November 6, 2026, to November 23, 2026, all proposals received within 45 days after the synopsis publication date will be considered. The government will evaluate offers primarily based on price, potentially combining price and past performance factors.
Scope of work
- TRANSMISSION, MECHANICAL (NSN: 1680011438497RK, PN: NF53301-02A)
- Stepover gearbox assembly to transmit and redirect rotating mechanical force of torque tube
- Estimated quantity of 48 EA (Min 12 EA, Max 72 EA)
- Compliance with Item Unique Identification (IUID) requirements
How proposals are evaluated
| Criterion | Weight / scoring |
|---|---|
| Price | Not specified |
| Past performance factors | Not specified |
Key dates
- Estimated issue date
- 6 NOV 2026
- Estimated closing/response date
- 23 NOV 2026
- Delivery
- 29 FEB 2028
How to submit
- Method
- Electronic via sam.gov
- Instructions
- Electronic procedures will be used; the solicitation will be available for download only at www.sam.gov and hardcopies will not be sent.
Federal notice details
- Solicitation number
- SPRTA1-27-R-0114
- Agency
- Department of Defense
- Buying office
- Defense Logistics Agency › DLA Aviation at Oklahoma City, OK
- Notice type
- Presolicitation
- Responses due
- Nov 23, 2026, 4:00 PM ET
- Posted on SAM.gov
- Nov 6, 2026
- NAICS
- 336412 · Aircraft Engine and Engine Parts Manufacturing
- Product/service code
- 1680
- Place of performance
- Tinker AFB, OK, 73145
- Contracting contact
- William Bass
william.bass.6@us.af.mil
Source: SAM.gov. Read the official notice for the complete description and current instructions.
Incumbent and award research
No incumbent history found for this requirement. The notice does not cite a current contract, and no earlier award from this buying office matches it.
Market context
Awards in the same category (Aircraft Engine and Engine Parts Manufacturing). This is not this requirement's award history.
Recent similar awards: Department of Defense, NAICS 336412, performed in OK
| Vendor and award | Value | Ends |
|---|---|---|
| MINT TURBINES LLCFA812225F0012 · OVERHAUL OF MULTIPLE T53-L-703 ENGINE NSNS | $1.8M | Oct 22, 2029 |
| JAMAICA BEARINGS CO., INC.SPRTA124C0050 · VALVE ASSEMBLY, ANTI IN SUPPORT OF THE F100 ENGINE | $877.1K | Feb 29, 2028 |
| CHANT ENGINEERING CO INCFA812526P0031 · FUEL SYSTEM COMPONENT TEST STAND IN ACCORDANCE WITH (IAW) STATEMENT OF WORK (SOW). | $2.6M | Feb 26, 2028 |
| COANDA COMPANY LLC, THESPE7M426P3203 · 8512101696!HOUSING,INLET,STRAI | $149.8K | Jan 4, 2028 |
| PRATT & WHITNEY MILITARY AFTERMARKET SERVICES, INC.FA812125F0077 · VANE SEGMENT, COMPRE | $11.0M | Nov 30, 2027 |
Top vendors in this category: Department of Defense, NAICS 336412, since Oct 1, 2024
18,404 contract awards in this NAICS over the period.
- 1. RTX CORPORATION$11.9B
- 2. GENERAL ELECTRIC COMPANY$5.5B
- 3. THE BOEING COMPANY$2.9B
- 4. ROLLS-ROYCE CORPORATION$2.1B
- 5. CFM INTERNATIONAL INC$307.4M
Source: USAspending.gov federal award data (U.S. federal public data). A contract is called the incumbent only when the notice or its documents cite it by number.