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SS690D-0.250-1 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SS690D-0.250-1: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 0.1620 INCHES MINIMUM AND 0.1680 INCHES MAXIMUM IN, material: STEEL COMP 304 OVERALL, thread_class: 2B LEFT INTERNAL (INCLUDES THRU THREAD), thread_length: 0.2200 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN, style_designator: PROJECTION ONE END, thread_direction: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD). This part is cataloged in the U.S.

Government catalog under NSN 5340-01-439-5309, 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
SS690D-0.250-1
NSN: 5340-01-439-5309
FSC: 5340 — Hardware, Commercial
CAGE: 05791 — LYN-TRON, INC. DBA LYN-TRON INC (USA)
SPECIFICATIONS
length0.1620 INCHES MINIMUM AND 0.1680 INCHES MAXIMUM IN
materialSTEEL COMP 304 OVERALL
thread_class2B LEFT INTERNAL (INCLUDES THRU THREAD)
thread_length0.2200 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
style_designatorPROJECTION ONE END
thread_directionRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
surface_treatmentPASSIVATE OVERALL
width_across_flats0.2500 INCHES NOMINAL IN
nominal_thread_size0.1640 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
cross-sectional_shapeHEXAGON
right_projection_length0.2200 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM IN
thread_quantity_per_inch32 LEFT INTERNAL (INCLUDES THRU THREAD)
NSN5340-01-439-5309
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SS690D-0.250-1 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
•
WIDTH ACROSS FLATS: 0.2500 INCHES NOMINAL IN
•
LENGTH: 0.1620 INCHES MINIMUM AND 0.1680 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.2200 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: PROJECTION ONE END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
•
NOMINAL THREAD SIZE: 0.1640 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.2500 INCHES NOMINAL IN
LENGTH0.1620 INCHES MINIMUM AND 0.1680 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-F-14072-E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.2200 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATORPROJECTION ONE END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD)
NOMINAL THREAD SIZE0.1640 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN
CROSS-SECTIONAL SHAPEHEXAGON
SURFACE TREATMENTPASSIVATE 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 2
92600-SS-0632-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
100-10034-002Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 SS690D-0.250-1?
SS690D-0.250-1 is a STANDOFF,THREADED,SPACING.
What parts can replace SS690D-0.250-1?
There are 2 known substitutes for SS690D-0.250-1: 92600-SS-0632-7, 100-10034-002. Substitute compatibility should be verified for your specific system.
What is the NSN for SS690D-0.250-1?
SS690D-0.250-1 is cataloged in the U.S. Government catalog under NSN 5340-01-439-5309. 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.