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973212 — SPRING,HELICAL,COMPRESSION

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

973212: SPRING,HELICAL,COMPRESSION.

The SPRING,HELICAL,COMPRESSION is a the manufacturer industrial component. Key specifications include coil_quantity: 11, inside_diameter: 0.685 INCHES NOMINAL IN, spring_free_length: 2.717 INCHES NOMINAL IN, spring_solid_length: 1.584 INCHES NOMINAL IN, coil_helix_direction: LEFT-HAND OR RIGHT-HAND, end_item_identification: 1055014504243. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-537-7742, 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
973212
NSN: 5305-00-537-7742
NIINs: 005377742, 014724876
FSC: 5305 — Screws
CAGE: 20117 — HUBBARD AND COMPANY (USA)
SPECIFICATIONS
coil_quantity11
inside_diameter0.685 INCHES NOMINAL IN
special_featuresOUTSIDE DIAMETER, 0.999, WIRE DIAMETER, 0.142, ACTIVE COILS, 9.153, TOTAL COILS, 11.153, DIRECTION OF HELIX OPTIONAL, SPRING RATE 107 POUNDSPER INCH
spring_free_length2.717 INCHES NOMINAL IN
spring_solid_length1.584 INCHES NOMINAL IN
coil_helix_directionLEFT-HAND OR RIGHT-HAND
end_item_identification1055014504243
NSN5305-00-537-7742
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 973212 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NONMACHINE NOMINAL THREAD DIAMETER: 0.312 INCHES IN
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HEAD HEIGHT: 0.220 INCHES NOMINAL IN
•
FASTENER LENGTH: 2.500 INCHES NOMINAL IN
•
NONMACHINE THREAD STYLE: WOOD SCREW (TYPE WD)
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HEAD STYLE: SQUARE
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
NONMACHINE NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD HEIGHT0.220 INCHES NOMINAL IN
FASTENER LENGTH2.500 INCHES NOMINAL IN
NONMACHINE THREAD STYLEWOOD SCREW (TYPE WD)
HEAD STYLESQUARE
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 973212?
973212 is a SPRING,HELICAL,COMPRESSION.
What is the NSN for 973212?
973212 is cataloged in the U.S. Government catalog under NSN 5305-00-537-7742. 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.