PartsTable
Technical Data Sheet
Download PDF

9987964 — STANDOFF,THREADED,SPACING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

9987964: STANDOFF,THREADED,SPACING.

The STANDOFF,THREADED,SPACING is a the manufacturer industrial component. Key specifications include length: 1.800 INCHES NOMINAL1.800 INCHES NOMINAL IN, material: UNABLE TO DECODE, style_designator: LEFT INTERNAL THREADLEFT INTERNAL THREAD, surface_treatment: ANODIZE OVERALLANODIZE OVERALL, width_across_flats: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN, cross-sectional_shape: SQUARESQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-065-8663, 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
9987964
NSN: 5340-00-065-8663
FSC: 5340 — Hardware, Commercial
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
length1.800 INCHES NOMINAL1.800 INCHES NOMINAL IN
materialUNABLE TO DECODE
thread_lengthUNABLE TO DECODE0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
style_designatorLEFT INTERNAL THREADLEFT INTERNAL THREAD
surface_treatmentANODIZE OVERALLANODIZE OVERALL
width_across_flats0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
cross-sectional_shapeSQUARESQUARE
distance_between_hole_centers1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
distance_from_end_to_hole_center0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
hole_quantity_perpendicular_to_axis22
material_document_and_classificationUNABLE TO DECODE
NSN5340-00-065-8663
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 9987964 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: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
•
LENGTH: 1.800 INCHES NOMINAL1.800 INCHES NOMINAL IN
•
DISTANCE BETWEEN HOLE CENTERS: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
•
THREAD LENGTH: UNABLE TO DECODE0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
•
STYLE DESIGNATOR: LEFT INTERNAL THREADLEFT INTERNAL THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
•
CROSS-SECTIONAL SHAPE: SQUARESQUARE
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN
LENGTH1.800 INCHES NOMINAL1.800 INCHES NOMINAL IN
DISTANCE BETWEEN HOLE CENTERS1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
THREAD LENGTHUNABLE TO DECODE0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD)0.380 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN
STYLE DESIGNATORLEFT INTERNAL THREADLEFT INTERNAL THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALLQQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPESQUARESQUARE
SURFACE TREATMENTANODIZE OVERALLANODIZE OVERALL
DISTANCE FROM END TO HOLE CENTER0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 9987964?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 9987964?
9987964 is a STANDOFF,THREADED,SPACING.
What is the NSN for 9987964?
9987964 is cataloged in the U.S. Government catalog under NSN 5340-00-065-8663. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 9987964

✓ 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.