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Worldwide distributor of NSN parts and consumables located in the USA.

Machine Screw

Model / MPN: 271-3604-957647PC27 | NSN: 5305-00-273-7583
ITAR Registered seal

An externally threaded fastener whose threaded portion is of one diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

Product Details
NATO Stock Number
5305-00-273-7583
Sold in multiples of
100 EA
DEMIL
NO
Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 1.400 inches and 1.500 inches
Fastener Length
1.500 inches
Head Style
Flat countersunk
Head Diameter
Between 0.452 inches and 0.507 inches
Internal Drive Style
Cross recess type 1
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
20
Countersink Angle
Between 80.0 degrees and 82.0 degrees
Screw Material
Nickel alloy 400 or nickel alloy r-405
Screw Material Specification
Qq-n-281, cl a federal specification 1st material response or qq-n-281, cl b federal specification 2nd material response
Thread Series Designator
Unc
Nondefinitive Specification/std Data
1 type and 2s style
Departure From Cited Designator
As modified by material
Solicitations
Solicitation Description Qty UOM Close Date
SPE5E220T2574 Screw, Machine 316 EA 12/11/2019
SPE5E220T6973 Screw, Machine 1353 EA 04/06/2020

Pricing and Availability

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271-3604-957647PC27 Cross Reference
  • 49M68-33PC50
  • 312-3604-982127PC27
  • 319-3604-1188274ALT2PC27
  • 340-3604-999829ALTAPC27
  • 3604-162453ALT15PC27
  • 3604-805274REVAPC27
  • 403-3604-984536ALT4PC27
  • 563-3604-982800PC27
  • 564-3604-936292ALT5PC27
  • 571-3604-1302166REVAPC27
  • 2965-202ALT5PC27