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169748 — SCREW,MACHINE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

169748: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_length: 0.322 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-053-1817, 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
169748
NSN: 5330-00-053-1817
NIINs: 000531817, 002067786
FSC: 5330 — Packing and Gasket Materials
CAGE: 17576 — GOODRICH CORP DBA GOODRICH CORP (USA)
SPECIFICATIONS
head_styleROUND
head_height0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_length0.322 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.138 INCHES IN
thread_quantity_per_inch32
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5330-00-053-1817
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 169748 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
•
FSC APPLICATION DATA: SHOCK STRUT
•
CROSS-SECTIONAL HEIGHT: 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
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HARDNESS RATING: 68.0 SHORE DUROMETER A NOMINAL OVERALL
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MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
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CROSS-SECTIONAL SHAPE STYLE: DELTA
•
PERIPHERAL DIAMETER: 4.858 INCHES MINIMUM AND 4.888 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 4.448 INCHES MINIMUM AND 4.458 INCHES MAXIMUM IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATASHOCK STRUT
CROSS-SECTIONAL HEIGHT0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
HARDNESS RATING68.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-5516,CL B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEDELTA
PERIPHERAL DIAMETER4.858 INCHES MINIMUM AND 4.888 INCHES MAXIMUM IN
CENTER HOLE DIAMETER4.448 INCHES MINIMUM AND 4.458 INCHES MAXIMUM IN
MATERIALRUBBER OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
1688-53Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 169748?
169748 is a SCREW,MACHINE.
What parts can replace 169748?
There is 1 known substitute for 169748: 1688-53. Substitute compatibility should be verified for your specific system.
What is the NSN for 169748?
169748 is cataloged in the U.S. Government catalog under NSN 5330-00-053-1817. 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.