NSN catalog · 90,857 partsCatalog › Hardware and Abrasives › FSC 5305 › 5305-01-057-9331
Close Tolerance Screw P/N NAS1581F4T5
In stock — 650 on our U.S. shelfNSN 5305-01-057-9331 5305010579331 NIIN 010579331
SECO Parts has 650 in stock of NSN 5305-01-057-9331 — Close Tolerance Screw — on our own shelf in Augusta, GA: a stocking supplier, not a broker.
One part, one step — answered within one business day. Several parts? and send them together.
- Ships in 1–3 business days from Augusta, GA
- Certificate of Conformance on request
- PO, GPC & major cards
- $50 minimum order — smaller requests still get a quote
- 30-day returns · terms
- FLIS item name
- SCREW,CLOSE TOLERANCE
- SECO description
- SCREW
- Federal supply class
- FSC 5305 — Screws
Availability & condition
| Condition | Code | Qty on shelf |
|---|---|---|
| New Surplus | NS | 650 |
| Total | 650 |
Quantities are live from SECO's inventory system, not estimated.
Also known as:
5305-01-057-9331 010579331 NAS1581F4T5 NAS1581A4T5 10114927
Get a quote
Build a list across as many parts as you need, send it once, get one quote back — answered within one business day, usually the same day. POs and GPC welcome. $50 minimum order.
More to tell us? Need-by date, ship-to, your own RFQ document
Specifications
- Thread class
- 3A
- Thread direction
- Right-Hand
- Thread length
- 0.403 in (nominal)
- Fastener length
- 0.700–0.730 in
- Head diameter
- 0.350–0.398 in
- Grip diameter
- 0.2485–0.2495 in
- Nominal thread diameter
- Inches 0.250
- Grip length
- 0.302–0.322 in
- Thread quantity per inch
- 28
- Minimum tensile strength
- Pounds Per Square Inch 160000
- Hardness rating
- Overall Rockwell C Minimum 36.0 and Rockwell C Maximum 40.0
- Countersink angle
- 100.0 ° (nominal)
- Surface finish
- Grip Microinches 32.0
- Surface finish
- Threads Microinches 32.0
- Material
- Overall Steel Comp E4340 or Steel Comp 4140 or Steel Comp 8740 or Steel Comp 6150 or Steel Comp 8735
- Surface treatment
- Overall Cadmium and Chromate
- Surface treatment document and classification
- Overall Fed Spec Single Treatment Response QQ--416 TY2 CL2
- Thread series designator
- Unified National Joint Fine (Unjf)
- Specification/standard data
- Professional/industrial Association Standard 80205-NAS1581
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Cross-reference part numbers
NAS1581F4T5 NAS1581A4T5
Also referenced as
10114927
Older, superseded, advisory or drawing numbers the federal catalog associates with this NSN — the ones in an old manual. They find the item; confirm the current part number when you order.
Shown for identification only. SECO can quote against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | D DLA/GSA stocked — stocked by DLA or GSA and issued from central stock |
| Unit of issue | PG package |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.
Why buy from SECO
These quantities sit on our own shelves — we are a stocking supplier, not a broker sourcing after you order. Condition-coded stock, formal quotes with NSN/PN on the paperwork, POs and GPC welcome, fast U.S. shipping.
In business since 1951 · 30,000+ contracts completed · about SECO & our policies · more questions answered
FAQ
What is NSN 5305-01-057-9331?
NSN 5305-01-057-9331 (5305010579331) — Close Tolerance Screw: SECO Parts has 650 in stock in Augusta, GA, on our own shelf. It is the NATO Stock Number for close tolerance screw in federal supply class 5305 (Screws).
Is NSN 5305-01-057-9331 available?
SECO Parts has 650 in stock in Augusta, GA — order or request a quote below.
How much does NSN 5305-01-057-9331 cost?
SECO quotes NSN 5305-01-057-9331 on request, usually the same business day.
What part numbers cross-reference to NSN 5305-01-057-9331?
Part numbers that cross-reference this NSN include NAS1581F4T5, NAS1581A4T5. It is also referenced by older, superseded or advisory numbers: 10114927. SECO can quote against any of them.
Same item, other stock numbers
Other NSNs the federal catalog names SCREW,CLOSE TOLERANCE. Same name is not the same part: check the part numbers.