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Technical Data Sheet
PartsTable / COMPONENT / GS-5
GS-5 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

FILTER,LIGHT,OPTICAL INSTRUMENT. Key specifications include material: STEEL OVERALL, overall_width: 0.310 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN, overall_length: 4.703 INCHES MINIMUM AND 5.156 INCHES MAXIMUM IN, drive_end_shape: SQUARE SECOND END EXTERNAL, inside_diameter: 0.312 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, style_designator: RIGID. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-024-3971, 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
GS-5
NSN: 4730-00-024-3971
FSC: 4730
CAGE: 76599 — MURRAY CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.310 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
overall_length4.703 INCHES MINIMUM AND 5.156 INCHES MAXIMUM IN
drive_end_shapeSQUARE SECOND END EXTERNAL
inside_diameter0.312 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
style_designatorRIGID
features_providedMANUAL TOOL
surface_treatmentOXIDE OVERALL
drive_surface_size0.500 INCHES NOMINAL BOTH ENDS IN
fastening_device_typeSLOTTED HEXAGON HEAD SCREW
end_item_identificationUPA TECHNOLOGY INC DERMITRON MEASURING SYSTEM
nondefinitive_spec/std_data2 TYPE AND 2 CLASS
NSN4730-00-024-3971
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: GS-5 · 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
•
FASTENING DEVICE TYPE: SLOTTED HEXAGON HEAD SCREW
•
STYLE DESIGNATOR: WIRE
•
INSIDE DIAMETER: 0.312 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TYPICAL APPLICATIONS
  • Data center switch-to-switch interconnects
  • Server-to-storage fabric connectivity
  • Long-distance fiber optic links
  • High-speed uplink connections (10G/25G/40G/100G)
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.310 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
END ITEM IDENTIFICATIONGRUMMAN A-10 ACFT; ARMORED MULTI-PURPOSE VEHICLE (AMPV)
FASTENING DEVICE TYPESLOTTED HEXAGON HEAD SCREW
STYLE DESIGNATORWIRE
INSIDE DIAMETER0.312 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 29
WB101Interchangeable
interchangeable cross-reference
interchangeable
6706Interchangeable
interchangeable cross-reference
interchangeable
VS346Interchangeable
interchangeable cross-reference
interchangeable
345006Interchangeable
interchangeable cross-reference
interchangeable
NB3028PC155Interchangeable
interchangeable cross-reference
interchangeable
BKS155NB3028Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GS-5?
GS-5 is a FILTER,LIGHT,OPTICAL INSTRUMENT.
What parts can replace GS-5?
There are 29 known substitutes for GS-5: WB101, 6706, VS346 and 26 more. Substitute compatibility should be verified for your specific system.
Is GS-5 still available?
GS-5 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026