BY ORDER OF THE COMMANDER
AIR FORCE MATERIEL COMMAND
AIR FORCE MATERIEL C
OMMAND
MANUAL 23-101, VOLUME 3
17 NOVEMBER 2016
Certified Current, 15 December 2021
Materiel Management
COMPUTATIONAL
RESULTS (D200A, D200N)
COMPLIANCE WITH THIS PUBLICATION IS MANDATORY
ACCESSIBILITY: Publications and forms/IMTs are available for downloading or ordering on
the e-publishing website at www.e-Publishing.af.mil
RELEASABILITY: There are no releasability restrictions on this publication
OPR: AFMC/A4RM Certified by: AFMC/A4R
(Col Deirdre A. Mahon)
Pages: 94
This publication implements Air Force Instruction (AFI) 23-101, Air Force Materiel
Management. It prescribes guidance and procedural instructions for computing XD2, XB3, and
XF3 secondary item requirements. It applies Secondary Item Requirements System
(SIRS)(D200A) and Central Secondary Item Stratification (CSID)(D200N) users. This
publication does not apply to Air Force Reserve units and the Air National Guard (ANG). Refer
recommended changes and questions about this publication to the Office of Primary
Responsibility (OPR) using an AF Form 847, Recommendation for Change of Publication; route
AF Forms 847 form the field through the appropriate functional’s chain of command. This
publication may be supplemented at any level, but must be routed to the OPR for coordination
prior to certification and approval. The authorities to waive wing/unit level requirements in this
publication are identified with a Tier (“T-0, T-1, T-2, T-3”) number following the compliance
statement. Submit requests for waivers using AF Form 679, Air Force Publication Compliance
Item Waiver Request/Approval, through the chain of command to the appropriate Tier waiver
approval authority, or alternately, to the Publication OPR for non-tiered compliance items.
Requests for waivers must be approved by the publication OPR prior to implementation. Ensure
that all records created as a result of processes prescribed in this publication are maintained In
Accordance With (IAW) Air Force Manual (AFMAN) 33-363, Management of Records, and
disposed of IAW Air Force Records Information Management System (AFRIMS) Records
Disposition Schedule (RDS). The use of the name or mark of any specific manufacturer,
commercial product, commodity, or service in this publication does not imply endorsement by
the Air Force.
