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PC5-3 — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

PC5-3: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL BODY, leg_length: 0.750 INCHES NOMINAL IN, overall_length: 2.315 INCHES NOMINAL IN, connection_type: EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END, connection_style: HOSE GRIPPING NIPPLE ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-320-1886, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
PC5-3
NSN: 4730-00-320-1886
NIINs: 003201886, 012921636
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 14127 — FOSTER MANUFACTURING CO, INC. DBA FOSTER MANUFACTURING CO (USA)
SPECIFICATIONS
materialSTEEL BODY
leg_length0.750 INCHES NOMINAL IN
overall_length2.315 INCHES NOMINAL IN
connection_typeEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
connection_styleHOSE GRIPPING NIPPLE ALL ENDS
style_designatorMALE COUPLING HALF
surface_treatmentCADMIUM BODY
end_item_identificationSHORT CUT ASSEMBLY,THOMAS SHORT COMPANY,MARK I AND II
quick_disconnect_methodPUSH-PULL ALL ENDS
mating_end_identificationHANSEN MFGCOUPLING HALF,QUICK DISCONNECT,PART N0. 3SB5
nondefinitive_spec/std_dataA CLASS AND 4 STYLE AND 2 TYPE
specification/standard_data58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
NSN4730-00-320-1886
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: PC5-3 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE BODY
•
CONNECTION STYLE: HOSE GRIPPING NIPPLE ALL ENDS
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.250 INCHES ALL ENDS IN
•
MATING END IDENTIFICATION: HANSEN MFGCOUPLING HALF,QUICK DISCONNECT,PART N0. 3SB5
•
CONNECTION TYPE: THREADED EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION
•
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE BODY
CONNECTION STYLEHOSE GRIPPING NIPPLE ALL ENDS
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES ALL ENDS IN
MATING END IDENTIFICATIONHANSEN MFGCOUPLING HALF,QUICK DISCONNECT,PART N0. 3SB5
CONNECTION TYPETHREADED EXTERNAL HOSE GRIPPING FIRST FLUID END CONNECTION
CONNECTION TYPEEXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END
STYLE DESIGNATORMALE COUPLING HALF
OVERALL LENGTH2.315 INCHES NOMINAL IN
LEG LENGTH0.750 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA58536-A-A-59439 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
SUBSTITUTES & CROSS-REFERENCES 7
AA59439-012-08-18-CSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AA59439-12-08-18-CReference document
Same NSN cross-reference
Reference document — Secondary reference
3PC5Reference document
Same NSN cross-reference
Reference document — Secondary reference
H8CD5Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILC4109Reference document
Same NSN cross-reference
Reference document — Secondary reference
A-A-59439Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is PC5-3?
PC5-3 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace PC5-3?
There are 7 known substitutes for PC5-3: AA59439-012-08-18-C, AA59439-12-08-18-C, 3PC5 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PC5-3?
PC5-3 is cataloged in the U.S. Government catalog under NSN 4730-00-320-1886. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.