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169789-1 — CATCH,CLAMPING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

169789-1: CATCH,CLAMPING.

The CATCH,CLAMPING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, catch_width: 0.927 INCHES MINIMUM AND 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM0.947 INCHES MAXIMUM IN, design_type: CLAW ENGAGINGCLAW ENGAGING, hole_diameter: 0.129 INCHES MINIMUM AND 0.129 INCHES MINIMUM AND 0.136 INCHES MAXIMUM0.136 INCHES MAXIMUM IN, hole_quantity: 22, overall_height: 0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-303-3068, 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
169789-1
NSN: 5340-01-303-3068
FSC: 5340 — Hardware, Commercial
CAGE: 55820 — RTX CORPORATION DIV PRATT & WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
catch_width0.927 INCHES MINIMUM AND 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM0.947 INCHES MAXIMUM IN
design_typeCLAW ENGAGINGCLAW ENGAGING
hole_diameter0.129 INCHES MINIMUM AND 0.129 INCHES MINIMUM AND 0.136 INCHES MAXIMUM0.136 INCHES MAXIMUM IN
hole_quantity22
overall_height0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN
overall_length1.900 INCHES NOMINAL1.900 INCHES NOMINAL IN
wing_nut_width1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
operation_methodOUTSIDE LATCHOUTSIDE LATCH
style_designatorSPECIAL
surface_treatmentCADMIUM AND CHROMATE OVERALL
engaging_surface_width0.677 INCHES MINIMUM AND 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM0.697 INCHES MAXIMUM IN
NSN5340-01-303-3068
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 169789-1 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
DESIGN TYPE: CLAW ENGAGINGCLAW ENGAGING
•
ENGAGING SURFACE WIDTH: 0.677 INCHES MINIMUM AND 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM0.697 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SPECIAL
•
WING NUT WIDTH: 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
•
CATCH WIDTH: 0.927 INCHES MINIMUM AND 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM0.947 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 2,CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
DESIGN TYPECLAW ENGAGINGCLAW ENGAGING
ENGAGING SURFACE WIDTH0.677 INCHES MINIMUM AND 0.677 INCHES MINIMUM AND 0.697 INCHES MAXIMUM0.697 INCHES MAXIMUM IN
STYLE DESIGNATORSPECIAL
OVERALL LENGTH1.900 INCHES NOMINAL1.900 INCHES NOMINAL IN
WING NUT WIDTH1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN
CATCH WIDTH0.927 INCHES MINIMUM AND 0.927 INCHES MINIMUM AND 0.947 INCHES MAXIMUM0.947 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIALSTEEL COMP 4130 OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
P21-430-7Same 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 169789-1?
169789-1 is a CATCH,CLAMPING.
What parts can replace 169789-1?
There is 1 known substitute for 169789-1: P21-430-7. Substitute compatibility should be verified for your specific system.
What is the NSN for 169789-1?
169789-1 is cataloged in the U.S. Government catalog under NSN 5340-01-303-3068. 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.