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748896 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

748896: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, hole_diameter: 1.157 INCHES MINIMUM AND 1.158 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM, outside_diameter: 1.358 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN, material_thickness: 0.221 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN, internal_keyway_width: 0.130 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-381-1042, 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
748896
NSN: 5340-00-381-1042
NIINs: 003811042, 013524404
FSC: 5340 — Hardware, Commercial
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
hole_diameter1.157 INCHES MINIMUM AND 1.158 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM
outside_diameter1.358 INCHES MINIMUM AND 1.360 INCHES MAXIMUM IN
material_thickness0.221 INCHES MINIMUM AND 0.227 INCHES MAXIMUM IN
internal_keyway_width0.130 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
internal_keyway_quantity2
material_document_and_classificationAMS 6414 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
distance_from_centerline_to_bottom_of_internal_keyway0.617 INCHES MINIMUM AND 0.622 INCHES MAXIMUM IN
NSN5340-00-381-1042
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 748896 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
•
WIDTH ACROSS FLATS: 0.306 INCHES NOMINAL IN
•
LENGTH: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: PROJECTION BOTH ENDS RIGHT EXTERNAL THREAD
•
CROSS-SECTIONAL SHAPE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.306 INCHES NOMINAL IN
LENGTH0.094 INCHES NOMINAL IN
STYLE DESIGNATORPROJECTION BOTH ENDS RIGHT EXTERNAL THREAD
CROSS-SECTIONAL SHAPEHEXAGON
SPECIAL FEATURES0.063 IN. FLAT ON 2 SIDES OF 2ND DIA AND 0.062 IN. MIN 0.065 IN. MAX DIA HOLE THRU 2ND DIA 0.641 IN. FROM THREAD END IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 748896?
748896 is a STANDOFF,THREADED,SPACING.
What is the NSN for 748896?
748896 is cataloged in the U.S. Government catalog under NSN 5340-00-381-1042. 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.