General Characteristics Item Description: 15.000 IN. OD; 5.500 IN. ID; FOUR 0.562 IN. HOLES EQUALLY SPACED ON 7.000 IN. BOLT CIRCLE DIA IN
Identification
NSN: 4320-01-129-5643
NIIN: 011295643
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
General Description
The Diaphragm,pump, cataloged under National Stock Number 4320-01-129-5643, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4320-01-129-5643
Item Name
Diaphragm,pump
FSC / FSG
4320 / 43 — Power and Hand Pumps
Status
ACTIVE
General Characteristics Item Description
15.000 IN. OD; 5.500 IN. ID; FOUR 0.562 IN. HOLES EQUALLY SPACED ON 7.000 IN. BOLT CIRCLE DIA IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5315-01-205-418000129POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
Possible match (shared part number)Stanley Black & Decker, Inc. Dba Stanley Hydraulic Tools Div Stanley Hydraulic Tools
6515-01-473-1641450.788POSSIBLE MATCH
NAIL,FEMORAL
Possible match (shared part number)Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5996-01-555-087800129POSSIBLE MATCH
AMPLIFIER,RADIO FREQUENCY
Possible match (shared part number)Sonalysts Inc
4730-01-655-817800-129POSSIBLE MATCH
ELBOW,PIPE
Possible match (shared part number)Hippo Power, Llc Div Hippo Multipower
2590-01-657-6510POSSIBLE MATCH
TIRE,INFLATION,NITR
Possible match (shared part number)
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
000129
3/2Design control — primary reference
U.S. Government activity
00129
5/9Secondary reference
U.S. Government activity
P2517
5/9Secondary reference
C. H. & E. Manufacturing Co. Inc Div Abs Dewatering
Related Parts
5315-01-205-4180POSSIBLE MATCH
PIN,STRAIGHT,HEADLESS
00129
6515-01-473-1641POSSIBLE MATCH
NAIL,FEMORAL
450.788
5996-01-555-0878POSSIBLE MATCH
AMPLIFIER,RADIO FREQUENCY
00129
4730-01-655-8178POSSIBLE MATCH
ELBOW,PIPE
00-129
2590-01-657-6510POSSIBLE MATCH
TIRE,INFLATION,NITR
Frequently Asked Questions
What is NSN 4320-01-129-5643?
NSN 4320-01-129-5643 is a Diaphragm,pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
What NSN replaces 4320-01-129-5643?
5 possible matches (shared part number, not a government interchangeability claim): 5315-01-205-4180, 6515-01-473-1641, 5996-01-555-0878. Verify interchangeability with system specifications before substitution.
What are the specifications of 4320-01-129-5643?
Key specifications for 4320-01-129-5643: General Characteristics Item Description: 15.000 IN. OD; 5.500 IN. ID; FOUR 0.562 IN. HOLES EQUALLY SPACED ON 7.000 IN. BOLT CIRCLE DIA IN; End Item Identification: 4320-01-092-2210. 1 specification is documented in the U.S. Government catalog.
Is NSN 4320-01-129-5643 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.