# SAM #FA811727RB001

Repair Services for KC-135 and B-52 Altitude Computers

**Buyer:** Air Force Sustainment Center (AFSC) PZABA
**Posted:** October 02, 2026
**Respond By:** October 17, 2026
**Identifier:** FA811727RB001
**NAICS:** 811210, 336413

The U.S. Air Force is seeking repair services for altitude computers used on KC-135 and B-52 aircraft.
- **Government buyer:** U.S. Department of the Air Force, Air Force Materiel Command, Air Force Sustainment Center, AFSC PZABA.
- **Requirement:** Competitive firm-fixed-price requirements contract to repair altitude computers that provide altitude reporting in analog and binary-code forms.
- **Repair items:**
  - NSN 6610-01-255-1433; input part number 31103-A 1 A.
  - NSN 6610-00-121-4679; input part number 31103-A 1.
  - NSN 6610-00-121-4680; input part number 31103-B 14.
- **Quantity:** Estimated BEQ of 230 across the three items; item-level quantities are not specified.
- **OEMs and vendors:** No OEMs, vendors, or manufacturers are named.

### Description

<p>This is a competitive acquisition to obtain a new commercial follow-on firm-fixed price requirements-type contract to repair Altitude Computers applicable to the KC-135 and B-52 Weapon System. A 5-year basic contract with one 5-year option is considered to be appropriate for this acquisition. Estimated award date of August 2027.&nbsp;</p>

<p>NSN: 6610-01-255-1433 / Input PN: 31103-A 1 A</p>

<p>or</p>

<p>NSN: 6610-00-121-4679 I Input PN: 31103-A 1</p>

<p>or</p>

<p>NSN: 6610-00-121-4680 I Input PN: 31103-B 14</p>

<p>BEQ: 230</p>

<p>Application: KC-135 &amp; B-52</p>

<p>Item Dimensions: N/A</p>

<p>Item Description and Function:</p>

<p>6610-01-255-1433: Provides Altitude reporting data in two forms, analog and binary code.</p>

<p>6610-00-121-4679: Provides Altitude reporting data in two forms, analog and binary code.</p>

<p>6610-00-121-4680: Provides Altitude reporting data in two forms, analog and binary code.</p>

[View original listing](https://sam.gov/opp/70669b38e1e34ba2b611da3bf03d8fba/view)