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73B516 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

73B516: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.812 INCHES NOMINAL IN, material: COPPER ALLOY 360 OVERALL, style_designator: INTERNALLY THREADED FULL LENGTH, width_across_flats: 0.312 INCHES NOMINAL IN, cross-sectional_shape: HEXAGON, material_document_and_classification: QQ-B-626, COMP. 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL.

This part is cataloged in the U.S. Government catalog under NSN 5340-00-355-8823, 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
73B516
NSN: 5340-00-355-8823
FSC: 5340 — Hardware, Commercial
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
length0.812 INCHES NOMINAL IN
materialCOPPER ALLOY 360 OVERALL
style_designatorINTERNALLY THREADED FULL LENGTH
width_across_flats0.312 INCHES NOMINAL IN
cross-sectional_shapeHEXAGON
material_document_and_classificationQQ-B-626, COMP. 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5340-00-355-8823
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 73B516 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: 0.312 INCHES NOMINAL IN
•
LENGTH: 0.812 INCHES NOMINAL IN
•
STYLE DESIGNATOR: INTERNALLY THREADED FULL LENGTH
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626, COMP. 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE: HEXAGON
•
MATERIAL: COPPER ALLOY 360 OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.312 INCHES NOMINAL IN
LENGTH0.812 INCHES NOMINAL IN
STYLE DESIGNATORINTERNALLY THREADED FULL LENGTH
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626, COMP. 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPEHEXAGON
MATERIALCOPPER ALLOY 360 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
SC-B-23862Reference 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 73B516?
73B516 is a STANDOFF,THREADED,SPACING.
What parts can replace 73B516?
There is 1 known substitute for 73B516: SC-B-23862. Substitute compatibility should be verified for your specific system.
What is the NSN for 73B516?
73B516 is cataloged in the U.S. Government catalog under NSN 5340-00-355-8823. This indicates validated use in U.S. government and defense supply chains.
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