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NAS5704U14

Screw

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Description

Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 7/8"

Specifications

Countersink Angle 99.0 degrees minimum and 101.0 degrees maximum
Fastener Length 0.880
Head Diameter 0.456 inches minimum and 0.508 inches maximum
Head Style Flat countersunk
Internal Drive Style Tri-wing recess
Length 7/8
Material Iron
Screw Material Iron alloy 660
Screw Material Specification Ams 5731 assn std single material response or ams 5737 assn std single material response
Specification Data 80205-nas5704 professional/industrial association standard
Thread Class 3a
Thread Diameter 0.250
Thread Direction Right-hand
Thread Length 0.880
Thread Qty 28
Thread Qty Per Inch (tpi) 28
Thread Series Designator UNJF
Thread Size 1/4

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

Similar parts

Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.

  • MS24693-S297 MS 1/4-28 · 7/8 in · Flat countersunk · Steel
  • MS24693S297 MS 1/4-28 · 7/8 in · Flat countersunk · Steel
  • NAS1102-4-14 NAS 1/4-28 · 7/8 in · Flat countersunk · Steel

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Catalog data updated 2026-07-05. Report a data error