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20-00074 — HARNESS SET,AIRCRAFT SAFETY

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20-00074: HARNESS SET,AIRCRAFT SAFETY.

The HARNESS SET,AIRCRAFT SAFETY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_height: 0.250 INCHES NOMINAL IN, hardness_rating: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM BODY, style_designator: PLAIN, body_inside_diameter: 0.625 INCHES NOMINAL IN, body_outside_diameter: 1.062 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-537-3188, 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
20-00074
NSN: 4820-00-537-3188
NIINs: 005373188, 017092028, 017092056
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_height0.250 INCHES NOMINAL IN
hardness_rating85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM BODY
style_designatorPLAIN
body_inside_diameter0.625 INCHES NOMINAL IN
body_outside_diameter1.062 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN
seating_surface_shapeFLAT
NSN4820-00-537-3188
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20-00074 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
BODY OUTSIDE DIAMETER: 1.062 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN
•
HARDNESS RATING: 85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM BODY
•
STYLE DESIGNATOR: PLAIN
•
BODY INSIDE DIAMETER: 0.625 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
SEATING SURFACE SHAPE: FLAT
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.250 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER1.062 INCHES MINIMUM AND 1.066 INCHES MAXIMUM IN
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM BODY
HARDNESS RATING85.0 SHORE DUROMETER A MINIMUM AND 95.0 SHORE DUROMETER A MAXIMUM FACE
STYLE DESIGNATORPLAIN
BODY INSIDE DIAMETER0.625 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SEATING SURFACE SHAPEFLAT
SUBSTITUTES & CROSS-REFERENCES 1
V74Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20-00074?
20-00074 is a HARNESS SET,AIRCRAFT SAFETY.
What parts can replace 20-00074?
There is 1 known substitute for 20-00074: V74. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-00074?
20-00074 is cataloged in the U.S. Government catalog under NSN 4820-00-537-3188. 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.