GR531BA — COUPLING HALF,QUICK DISCONNECT

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

GR531BA: COUPLING HALF,QUICK DISCONNECT.

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, leg_length: 0.850 INCHES NOMINAL IN, nominal_width: 1.500 INCHES IN, nominal_length: 2.500 INCHES IN, connection_type: FLANGE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-259-8847, 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

GR531BA

NSN: 4730-01-259-8847
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY BODY
leg_length	0.850 INCHES NOMINAL IN
nominal_width	1.500 INCHES IN
nominal_length	2.500 INCHES IN
connection_type	FLANGE FIRST FLUID END CONNECTION
connection_style	PLAIN ALL ENDS
style_designator	MALE COUPLING HALF
basic_shape_style	OVAL STYLE 6 MUST HAVE 2 BOLT HOLES FIRST FLUID END CONNECTION
nominal_thickness	0.125 INCHES IN
surface_treatment	ANODIZE BODY
bolt_hole_quantity	2
quick_disconnect_method	PUSH-PULL ALL ENDS
NSN	4730-01-259-8847

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY

•

CONNECTION STYLE: PLAIN ALL ENDS

•

NOMINAL LENGTH: 2.500 INCHES IN

•

BOLT CIRCLE NOMINAL DIAMETER: 4.000 INCHES IN

•

CONNECTION TYPE: FLANGE FIRST FLUID END CONNECTION

•

STYLE DESIGNATOR: MALE COUPLING HALF

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS4217D ASSN STD SINGLE MATERIAL RESPONSE BODY

•

BOLT HOLE NOMINAL DIAMETER: 0.205 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
CONNECTION STYLE	PLAIN ALL ENDS
NOMINAL LENGTH	2.500 INCHES IN
BOLT CIRCLE NOMINAL DIAMETER	4.000 INCHES IN
CONNECTION TYPE	FLANGE FIRST FLUID END CONNECTION
STYLE DESIGNATOR	MALE COUPLING HALF
MATERIAL DOCUMENT AND CLASSIFICATION	AMS4217D ASSN STD SINGLE MATERIAL RESPONSE BODY
BOLT HOLE NOMINAL DIAMETER	0.205 INCHES IN
LEG LENGTH	0.850 INCHES NOMINAL IN
BASIC SHAPE STYLE	OVAL STYLE 6 MUST HAVE 2 BOLT HOLES FIRST FLUID END CONNECTION

OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 1

GR531BA1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is GR531BA?

GR531BA is a COUPLING HALF,QUICK DISCONNECT.

What parts can replace GR531BA?

There is 1 known substitute for GR531BA: GR531BA1. Substitute compatibility should be verified for your specific system.

What is the NSN for GR531BA?

GR531BA is cataloged in the U.S. Government catalog under NSN 4730-01-259-8847. This indicates validated use in U.S. government and defense supply chains.

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GR531BA — COUPLING HALF,QUICK DISCONNECT

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