850 Purchase Order
Defense Supply Center · X12 003050
Defense Supply Center’s published 850 specification, rendered as an interactive guide. Expand any segment to see its elements, data types, lengths and accepted codes — then validate your own document against it below.
Specification
41 of 41 segments
HEADING
ST
Transaction Set Header
pos 010
Required
max —
BEG
Beginning Segment for Purchase Order
pos 020
Required
max —
SAC Loop
SAC
Service, Promotion, Allowance, or Charge Information
pos 120
Optional
max —
ITD
Terms of Sale/Deferred Terms of Sale
pos 130
Optional
max 5
PID
Product/Item Description
pos 190
Optional
max —
MEA
Measurementsvariant 1 of 2
pos 200
Optional
max 40
MEA
Measurementsvariant 2 of 2
pos 200
Optional
max 40
AMT Loop
AMT
Monetary Amount
pos 287
Optional
max —
AT
Financial Accounting
pos 288
Optional
max —
REF
Reference Numbers
pos 289
Optional
max —
N9 Looprepeats 1000
N9
Reference Number
pos 290
Optional
max —
MSG
Message Text
pos 300
Optional
max 1000
N1 Looprepeats 200
N1
Name
pos 310
Optional
max —
N2
Additional Name Information
pos 320
Optional
max 2
N3
Address Information
pos 330
Optional
max 2
N4
Geographic Location
pos 340
Optional
max —
PER
Administrative Communications Contact
pos 360
Optional
max —
LM Looprequired
LM
Code Source Information
pos 430
Optional
max —
LQ
Industry Code
pos 440
Required
max —
DETAIL
PO1 Looprequired
PO1
Baseline Item Data
pos 010
Required
max —
PO3
Additional Item Detail
pos 030
Optional
max —
REF
Reference Numbers
pos 100
Optional
max —
SAC Looprepeats 25
SAC
Service, Promotion, Allowance, or Charge Information
pos 130
Optional
max —
FOB
F.O.B. Related Instructions
pos 180
Optional
max —
PKG Looprepeats 200
PKG
Marking, Packaging, Loading
pos 300
Optional
max —
LS
Loop Header
pos 320
Optional
max —
LDT Looprequired
LDT
Lead Time
pos 321
Optional
max —
LM Looprequired
LM
Code Source Information
pos 325
Optional
max —
LQ
Industry Code
pos 326
Required
max —
LE
Loop Trailer
pos 327
Optional
max —
N9 Looprepeats 1000
N9
Reference Number
pos 330
Optional
max —
MSG
Message Text
pos 340
Optional
max 1000
N1 Looprepeats 200
N1
Name
pos 350
Optional
max —
N2
Additional Name Information
pos 360
Optional
max 2
N3
Address Information
pos 370
Optional
max 2
N4
Geographic Location
pos 380
Optional
max —
AMT LoopLine Item Totalvariant 1 of 2
AMT
Line Item Total
pos 600
Optional
max —
REF
Reference Numbers
pos 610
Optional
max —
AMT LoopTotal Transaction Amountvariant 2 of 2
AMT
Total Transaction Amount
pos 600
Optional
max —
SUMMARY
CTT
Transaction Totals
pos 010
Required
max —
SE
Transaction Set Trailer
pos 030
Required
max —
Validate a 850
Paste or upload a document and check it against Defense Supply Center’s published rules — segment order and repetition, required elements, field lengths, data types and accepted codes. Nothing is stored.
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