B638 — TRANSFORMER,AUDIO FREQUENCY

B638 is cataloged as TRANSFORMER,AUDIO FREQUENCY. It carries 2 NSN identities and cross-references to 5 related part numbers. The part appears on MCRL cross-reference data.

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NSN identities

NSN 007173156 — TRANSFORMER,AUDIO FREQUENCY
NSN 014866058 — FILTER ASSEMBLY,ELECTRICAL

Approved sources (CAGE)

52088 LOCKHEED MARTIN CORPORATION
90536 LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN
80294 BOURNS INSTRUMENTS INC · P/N T294A
09798 PAYNE MAGNETICS, INC.
50508 MAGNETIC COMPONENTS INC · P/N WM-1208
59364 HONEYWELL INTERNATIONAL INC. · P/N 1048597
90536 LOCKHEED MARTIN CORP DBA LOCKHEED MARTIN DIV MST - EAGAN · P/N 79C0163-15
50508 MAGNETIC COMPONENTS INC · P/N 1208
77068 ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV · P/N 1048597

Government purchase history

Distinct Vendors: 0
Total: $0.00
Total Amount: $0.00

Government pricing & management

Aac: X
Aac Label: Semi-active, no replacement
Effective Date: 2026-10-01
Moe: DN
Niin: 007173156
Qup: 1
Slc: 0
Sos: SMS
Sos Label: DLA
Ui: EA
Unit Price: $41.60

Demand

Buyer Requests 90d: 0
Buyer Requests All: 0
Open Solicitations: 0

Market on PartsAndPlanes

Active Listings: 0
Avg Price: $0.00
Max Price: $0.00
Min Price: 0
Sellers: 0
Total Quantity: 0

Availability

Band: Scarce
Note: No active listings, PMA sources, or award history on file yet.

Related part numbers

1048597, 1208, 79C0163-15, T294A, WM-1208